Appartuses and methods for the delivery of material to a fiber producing device

Abstract

Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that have various types of outlet elements coupled to the fiber producing device.

What is claimed is: 
     
         1 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber, and wherein the body is couplable to a driver through the coupling member;   one or more outlet elements coupled to one or more of the openings;   wherein, during use, rotation of the body causes material in the body to be passed through one or more openings, into one or more outlet elements, and ejected through one or more outlet elements to produce microfibers and/or nanofibers.   
     
     
         2 . The device of  claim 1 , further comprising a sealing ring positioned between one or more of the outlet elements and the body. 
     
     
         3 . The device of  claim 1 , wherein the outlet elements are removably couplable to the body. 
     
     
         4 . The device of  claim 1 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         5 . The device of  claim 1 , further comprising one or more outlet conduits coupling one or more outlet elements to one or more openings. 
     
     
         6 . The device of  claim 5 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         7 . The device of  claim 1 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         8 . The device of  claim 1 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         9 . The device of  claim 1 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         10 . The device of  claim 1 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         11 . The device of  claim 1 , wherein the outlet element is a needle. 
     
     
         12 . The device of  claim 1 , wherein the outlet element is a nozzle. 
     
     
         13 . The device of  claim 1 , wherein the outlet element comprises a needle port. 
     
     
         14 . The device of  claim 1 , wherein one or more outlet elements coupled to the fiber producing device are replaceable with one or more outlet elements having different physical characteristics, wherein the fibers produced by the fiber producing device, after replacement of one or more outlet elements, have different physical characteristics compared to the fibers produced using one or more of the previously coupled outlet elements. 
     
     
         15 . A fiber microfiber and/or nanofiber system comprising:
 a fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 and one or more outlet elements coupled to one or more of the openings, 
   a driver capable of rotating the fiber producing device, wherein the body of the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be passed through one or more openings, into one or more outlet elements, and ejected through one or more outlet elements to produce microfibers and/or nanofibers.   
     
     
         16 . The system of  claim 15 , further comprising a sealing ring positioned between one or more of the outlet elements and the body. 
     
     
         17 . The system of  claim 15 , wherein the outlet elements are removably couplable to the body. 
     
     
         18 . The system of  claim 15 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         19 . The system of  claim 15 , further comprising one or more outlet conduits coupling one or more outlet elements to one or more openings. 
     
     
         20 . The system of  claim 19 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         21 . The system of  claim 15 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         22 . The system of  claim 15 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         23 . The system of  claim 15 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         24 . The system of  claim 15 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         25 . The system of  claim 15 , wherein the outlet element is a needle. 
     
     
         26 . The system of  claim 15 , wherein the outlet element is a nozzle. 
     
     
         27 . The system of  claim 15 , wherein the outlet element comprises a needle port. 
     
     
         28 . The system of  claim 15 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         29 . The system of  claim 15 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         30 . The system of  claim 29 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         31 . The system of  claim 29 , wherein the heating device comprises an infrared radiant heater. 
     
     
         32 . The system of  claim 15 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         33 . The system of  claim 15 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         34 . The system of  claim 15 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         35 . The system of  claim 34 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         36 . The system of  claim 35 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         37 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber, and wherein the fiber producing device is coupled to the driver by the coupling member; and 
 one or more outlet elements coupled to one or more of the openings; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be passed through one or more openings, into one or more outlet elements, and ejected through one or more outlet elements to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         38 . The method of  claim 37 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         39 . The method of  claim 37 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         40 . The method of  claim 37 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         41 . The method of  claim 37 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         42 . The method of  claim 37 , further comprising a sealing ring positioned between one or more of the outlet elements and the body. 
     
     
         43 . The method of  claim 37 , wherein the outlet elements are removably couplable to the body. 
     
     
         44 . The method of  claim 37 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         45 . The method of  claim 37 , further comprising one or more outlet conduits coupling one or more outlet elements to one or more openings. 
     
     
         46 . The method of  claim 45 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         47 . The method of  claim 37 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         48 . The method of  claim 37 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         49 . The method of  claim 37 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         50 . The method of  claim 37 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         51 . The method of  claim 37 , wherein the outlet element is a needle. 
     
     
         52 . The method of  claim 37 , wherein the outlet element is a nozzle. 
     
     
         53 . The method of  claim 37 , wherein the outlet element comprises a needle port. 
     
     
         54 . The method of  claim 37 , further comprising coupling the fiber producing device to a driver. 
     
     
         55 . The method of  claim 54 , wherein the driver is positioned above the fiber producing device. 
     
     
         56 . The method of  claim 37 , further comprising heating the fiber producing device. 
     
     
         57 . The method of  claim 37 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         58 . The method of  claim 37 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         59 . The method of  claim 58 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         60 . The method of  claim 59 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         61 . A nozzle couplable to a microfiber and/or nanofiber producing device, the nozzle comprising:
 a nozzle body, the nozzle body defining an internal cavity and having a proximal end and a distal end, wherein the proximal end comprises a coupling portion that allows the nozzle to be coupled to a fiber producing device,   a nozzle tip coupled to the distal end of the nozzle body, wherein the nozzle tip has an internal diameter that is less than the internal diameter of the nozzle body;   wherein the nozzle body comprises an opening extending through a wall of the nozzle body, and wherein the nozzle tip is aligned with the nozzle opening such that material disposed in the nozzle body passes through the opening into the nozzle tip during use; and   wherein the internal diameter of the nozzle tip is set such that microfibers and/or nanofibers are produced when material is ejected through the nozzle tip when the nozzle is coupled to a fiber producing device.   
     
     
         62 . The nozzle of  claim 61 , wherein the nozzle tip and the nozzle body are formed form a single, unitary material. 
     
     
         63 . The nozzle of  claim 61 , wherein the nozzle has a length of at least about 10 mm. 
     
     
         64 . The nozzle of  claim 61 , wherein the nozzle has a length of between about 5 mm and about 15 mm. 
     
     
         65 . The nozzle of  claim 61 , wherein the internal diameter of the nozzle tip is less than about 1 mm. 
     
     
         66 . The nozzle of  claim 61 , wherein the nozzle body defines an internal cavity through which material passes to the nozzle tip. 
     
     
         67 . The nozzle of  claim 61 , wherein the nozzle tip is removably couplable to the nozzle body. 
     
     
         68 . The nozzle of  claim 61 , wherein a portion of the interior wall of the nozzle body is substantially flat and wherein another portion of the interior wall of the nozzle body is angled from the flat portion toward the opening. 
     
     
         69 . The nozzle of  claim 61 , wherein a portion of the interior wall of the nozzle body is substantially flat and wherein another portion of the interior wall of the nozzle body is rounded from the flat portion toward the opening. 
     
     
         70 . The nozzle of  claim 61 , wherein the coupling portion is a threaded end which mates with a corresponding threaded portion of the fiber producing device. 
     
     
         71 . The nozzle of  claim 61 , wherein the nozzle comprises a nozzle tip having an angled outlet. 
     
     
         72 . The nozzle of  claim 61 , wherein the nozzle comprises a nozzle tip having a rounded outlet. 
     
     
         73 . The nozzle of  claim 61 , wherein the nozzle has a non-cylindrical outer surface. 
     
     
         74 . The nozzle of  claim 73 , wherein the nozzle has an outer surface having a tapered edge. 
     
     
         75 . The nozzle of  claim 74 , wherein the tapered edge of one or more nozzles is oriented such that, during rotation of the body, gasses contact the tapered edge of the nozzle, creating a region of negative pressure on the side opposite to the tapered edge. 
     
     
         76 . A method of making a device for use in a microfiber and/or nanofiber producing system, the method comprising:
 obtaining a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber, and wherein the body is couplable to a driver through the coupling member;   coupling one or more outlet elements to one or more of the openings;   wherein, during use, rotation of the body causes material in the body to be passed through one or more openings, into one or more outlet elements, and ejected through one or more outlet elements to produce microfibers and/or nanofibers.   
     
     
         77 . The method of  claim 76 , further comprising positioning a sealing ring between one or more of the outlet elements and the body. 
     
     
         78 . The method of  claim 76 , wherein the outlet elements are removably couplable to the body. 
     
     
         79 . The method of  claim 76 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         80 . The method of  claim 76 , further comprising coupling one or more outlet conduits to one or more openings of the body and coupling one or more outlet elements to one or more of the outlet conduits. 
     
     
         81 . The method of  claim 80 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         82 . The method of  claim 76 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         83 . The method of  claim 76 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         84 . The method of  claim 76 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         85 . The method of  claim 76 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         86 . The method of  claim 76 , wherein the outlet element is a needle. 
     
     
         87 . The method of  claim 76 , wherein the outlet element comprises a needle port. 
     
     
         88 . The method of  claim 76 , wherein the outlet element is a nozzle. 
     
     
         89 . The method of  claim 88 , wherein the nozzle tip and the nozzle body are formed form a single, unitary material. 
     
     
         90 . The method of  claim 88 , wherein the nozzle has a length of at least about 10 mm. 
     
     
         91 . The method of  claim 88 , wherein the nozzle has a length of between about 5 mm and about 15 mm. 
     
     
         92 . The method of  claim 88 , wherein the internal diameter of the nozzle tip is less than about 1 mm. 
     
     
         93 . The method of  claim 88 , wherein the nozzle body defines an internal cavity through which material passes to the nozzle tip. 
     
     
         94 . The method of  claim 88 , wherein the nozzle tip is removably couplable to the nozzle body. 
     
     
         95 . The method of  claim 88 , wherein a portion of the interior wall of the nozzle body is substantially flat and wherein another portion of the interior wall of the nozzle body is angled from the flat portion toward the opening. 
     
     
         96 . The method of  claim 88 , wherein a portion of the interior wall of the nozzle body is substantially flat and wherein another portion of the interior wall of the nozzle body is rounded from the flat portion toward the opening. 
     
     
         97 . The method of  claim 88 , wherein one or more nozzles comprise a coupling portion that couple the one or more nozzles to the body, wherein the coupling portion is a threaded end which mates with a corresponding threaded portion of the fiber producing device. 
     
     
         98 . The method of  claim 88 , wherein the nozzle comprises a nozzle tip having an angled outlet. 
     
     
         99 . The method of  claim 88 , wherein the nozzle comprises a nozzle tip having a rounded outlet. 
     
     
         100 . The method of  claim 88 , wherein the nozzle has a non-cylindrical outer surface. 
     
     
         101 . The method of  claim 88 , wherein the nozzle has an outer surface having a tapered edge. 
     
     
         102 . The method of  claim 101 , wherein the tapered edge of one or more nozzles is oriented such that, during rotation of the body, gasses contact the tapered edge of the nozzle, creating a region of negative pressure on the side opposite to the tapered edge. 
     
     
         103 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising one or more nozzles formed on a sidewall of the body and a coupling member, wherein the body is configured to receive material to be produced into a fiber, wherein the body is couplable to a driver through the coupling member, and wherein one or more nozzles comprise a nozzle orifice;   wherein, during use, rotation of the body causes material in the body to be passed through one or more one or more nozzles, and ejected through one or more nozzle orifices to produce microfibers and/or nanofibers.   
     
     
         104 . The device of  claim 103 , wherein the body and one or more nozzles are formed from a single, unitary material. 
     
     
         105 . The device of  claim 103 , further comprising one or more outlet conduits formed on the sidewall between one or more nozzles and one or more openings. 
     
     
         106 . The device of  claim 105 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         107 . The device of  claim 103 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         108 . The device of  claim 103 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         109 . The device of  claim 103 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         110 . The device of  claim 103 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         111 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body comprising one or more nozzles formed on a sidewall of the body and a coupling member, wherein the body is configured to receive material to be produced into a fiber, and wherein one or more nozzles comprise a nozzle orifice; and   a driver capable of rotating the fiber producing device, wherein the body of the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be passed through one or more nozzles, and ejected through one or more nozzle orifices, to produce microfibers and/or nanofibers.   
     
     
         112 . The system of  claim 111 , wherein the body and one or more nozzles are formed from a single, unitary material. 
     
     
         113 . The system of  claim 111 , further comprising one or more outlet conduits formed on the sidewall between one or more nozzles and one or more openings. 
     
     
         114 . The system of  claim 113 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         115 . The system of  claim 111 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         116 . The system of  claim 111 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         117 . The system of  claim 111 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         118 . The system of  claim 111 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         119 . The system of  claim 111 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         120 . The system of  claim 111 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         121 . The system of  claim 120 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         122 . The system of  claim 120 , wherein the heating device comprises an infrared radiant heater. 
     
     
         123 . The system of  claim 111 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         124 . The system of  claim 111 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         125 . The system of  claim 111 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         126 . The system of  claim 125 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         127 . The system of  claim 126 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         128 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing, the fiber producing device comprising one or more outlet elements formed in a sidewall of the body and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more outlet elements, to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         129 . The method of  claim 128 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         130 . The method of  claim 128 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         131 . The method of  claim 128 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         132 . The method of  claim 128 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         133 . The method of  claim 128 , wherein the body and one or more nozzles are formed from a single, unitary material. 
     
     
         134 . The method of  claim 128 , further comprising one or more outlet conduits formed on the sidewall between one or more nozzles and one or more openings. 
     
     
         135 . The method of  claim 134 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         136 . The method of  claim 128 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         137 . The method of  claim 128 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         138 . The method of  claim 128 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         139 . The method of  claim 128 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         140 . The method of  claim 128 , further comprising coupling the fiber producing device to a driver. 
     
     
         141 . The method of  claim 140 , wherein the driver is positioned above the fiber producing device. 
     
     
         142 . The method of  claim 128 , further comprising heating the fiber producing device. 
     
     
         143 . The method of  claim 128 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         144 . The method of  claim 128 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         145 . The method of  claim 144 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         146 . The method of  claim 145 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         147 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and   one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use;   wherein, during use, rotation of the body causes material in the body to be ejected through one or more needles coupled to one or more needle ports to produce microfibers and/or nanofibers.   
     
     
         148 . The device of  claim 147 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         149 . The device of  claim 147 , wherein one or more of the needle ports are removable couplable to the body. 
     
     
         150 . The device of  claim 147 , further comprising one or more outlet conduits coupling one or more of the needle ports to one or more of the openings. 
     
     
         151 . The device of  claim 147 , further comprising a sealing ring positioned between one or more of the needle ports and the body. 
     
     
         152 . The device of  claim 147 , wherein one or more of the needle ports comprise a locking member positioned to inhibit removal of a needle positioned in a needle port during use. 
     
     
         153 . The device of  claim 147 , wherein one or more of the needle ports comprise a locking system used to couple a needle to the needle port, wherein the locking system locks the coupled needle in a predetermined orientation with respect to the body. 
     
     
         154 . The device of  claim 147 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         155 . The device of  claim 147 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         156 . The device of  claim 147 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         157 . The device of  claim 147 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         158 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use; and 
   a driver capable of rotating the fiber producing device, wherein the body of the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the fiber producing device causes material in the body to be ejected through one or more needles coupled to one or more needle ports to produce microfibers and/or nanofibers.   
     
     
         159 . The system of  claim 158 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         160 . The system of  claim 158 , wherein one or more of the needle ports are removable couplable to the body. 
     
     
         161 . The system of  claim 158 , further comprising one or more outlet conduits coupling one or more of the needle ports to one or more of the openings. 
     
     
         162 . The system of  claim 158 , further comprising a sealing ring positioned between one or more of the needle ports and the body. 
     
     
         163 . The system of  claim 158 , wherein one or more of the needle ports comprise a locking device that inhibits removal of a needle positioned in a needle port during use. 
     
     
         164 . The system of  claim 158 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         165 . The system of  claim 158 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         166 . The system of  claim 158 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         167 . The system of  claim 158 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         168 . The system of  claim 158 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         169 . The system of  claim 158 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         170 . The system of  claim 169 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         171 . The system of  claim 169 , wherein the heating device comprises an infrared radiant heater. 
     
     
         172 . The system of  claim 158 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         173 . The system of  claim 158 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         174 . The system of  claim 158 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         175 . The system of  claim 174 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         176 . The system of  claim 175 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         177 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more needles coupled to one or more needle ports to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         178 . The method of  claim 177 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         179 . The method of  claim 177 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         180 . The method of  claim 177 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         181 . The method of  claim 177 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         182 . The method of  claim 177 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         183 . The method of  claim 177 , wherein one or more of the needle ports are removable couplable to the body. 
     
     
         184 . The method of  claim 177 , wherein the fiber producing device further comprises one or more outlet conduits coupling one or more of the needle ports to one or more of the openings. 
     
     
         185 . The method of  claim 177 , wherein the fiber producing device further comprises a sealing ring positioned between one or more of the needle ports and the body. 
     
     
         186 . The method of  claim 177 , wherein one or more of the needle ports comprise a locking device that inhibits removal of a needle positioned in a needle port during use. 
     
     
         187 . The method of  claim 177 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         188 . The method of  claim 177 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         189 . The method of  claim 177 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         190 . The method of  claim 177 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         191 . The method of  claim 177 , further comprising coupling the fiber producing device to a driver. 
     
     
         192 . The method of  claim 191 , wherein the driver is positioned above the fiber producing device. 
     
     
         193 . The method of  claim 177 , further comprising heating the fiber producing device. 
     
     
         194 . The method of  claim 177 , further comprising placing the fiber producing device in a chamber and controlling the environment inside the chamber. 
     
     
         195 . The method of  claim 177 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         196 . The method of  claim 195 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         197 . The method of  claim 196 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         198 . A method of making a device for use in a microfiber and/or nanofiber producing system, the method comprising:
 obtaining a body comprising one or more openings, a coupling member and one or more needle ports coupled to one or more of the openings, wherein the body is configured to receive material to be produced into a fiber; and   coupling one or more needles to the needle ports;   wherein, during use, rotation of the body causes material in the body to be passed through one or more openings, into one or more needle ports, and ejected through one or more needles to produce microfibers and/or nanofibers.   
     
     
         199 . The method of  claim 198 , further comprising coupling one or more needle ports to the body. 
     
     
         200 . The method of  claim 198 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         201 . The method of  claim 198 , wherein one or more of the needle ports are removable couplable to the body. 
     
     
         202 . The method of  claim 198 , wherein the fiber producing device further comprises one or more outlet conduits coupling one or more of the needle ports to one or more of the openings. 
     
     
         203 . The method of  claim 198 , wherein the fiber producing device further comprises a sealing ring positioned between one or more of the needle ports and the body. 
     
     
         204 . The method of  claim 198 , wherein one or more of the needle ports comprise a locking device that inhibits removal of a needle positioned in a needle port during use. 
     
     
         205 . The method of  claim 198 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         206 . The method of  claim 198 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         207 . The method of  claim 198 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         208 . The method of  claim 198 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         209 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and   one or more nozzles coupled to one or more of the openings, wherein the one or more nozzles comprise a nozzle orifice, wherein one or more nozzle orifices comprise an angled and/or rounded nozzle outlet end;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through the nozzle orifice to produce microfibers and/or nanofibers.   
     
     
         210 . The device of  claim 209 , wherein one or more nozzles have an angled nozzle outlet end. 
     
     
         211 . The device of  claim 209 , wherein one or more nozzles have a rounded distal end. 
     
     
         212 . The device of  claim 209 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         213 . The device of  claim 209 , wherein the nozzles are removably couplable to the body. 
     
     
         214 . The device of  claim 209 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         215 . The device of  claim 209 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         216 . The device of  claim 215 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         217 . The device of  claim 209 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         218 . The device of  claim 209 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         219 . The device of  claim 209 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         220 . The device of  claim 209 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         221 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more nozzles coupled to one or more of the openings, wherein the one or more nozzles comprise a nozzle orifice, wherein one or more nozzle orifices comprise an angled and/or rounded nozzle outlet end; and 
   a driver capable of rotating the fiber producing device, wherein the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be ejected through one or more nozzle orifices to produce microfibers and/or nanofibers.   
     
     
         222 . The system of  claim 221 , wherein one or more nozzles have an angled outlet end. 
     
     
         223 . The system of  claim 221 , wherein one or more nozzles have a rounded outlet end. 
     
     
         224 . The system of  claim 221 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         225 . The system of  claim 221 , wherein the nozzles are removably couplable to the body. 
     
     
         226 . The system of  claim 221 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         227 . The system of  claim 221 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         228 . The system of  claim 227 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         229 . The system of  claim 221 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         230 . The system of  claim 221 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         231 . The system of  claim 221 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         232 . The system of  claim 221 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         233 . The system of  claim 221 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         234 . The system of  claim 221 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         235 . The system of  claim 234 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         236 . The system of  claim 234 , wherein the heating device comprises an infrared radiant heater. 
     
     
         237 . The system of  claim 221 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         238 . The system of  claim 221 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 RPM. 
     
     
         239 . The system of  claim 221 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         240 . The system of  claim 239 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         241 . The system of  claim 240 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         242 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more nozzles coupled to one or more of the openings, wherein the one or more nozzles comprise a nozzle orifice, wherein one or more nozzle orifices comprise an angled and/or rounded nozzle outlet end; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more nozzle orifices to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         243 . The method of  claim 242 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         244 . The method of  claim 242 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         245 . The method of  claim 242 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         246 . The method of  claim 242 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         247 . The method of  claim 242 , wherein one or more nozzles have an angled outlet end. 
     
     
         248 . The method of  claim 242 , wherein one or more nozzles have a rounded outlet end. 
     
     
         249 . The method of  claim 242 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         250 . The method of  claim 242 , wherein the nozzles are removably couplable to the body. 
     
     
         251 . The method of  claim 242 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         252 . The method of  claim 242 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         253 . The method of  claim 252 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         254 . The method of  claim 242 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         255 . The method of  claim 242 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         256 . The method of  claim 242 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         257 . The method of  claim 242 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         258 . The method of  claim 242 , further comprising coupling the fiber producing device to a driver. 
     
     
         259 . The method of  claim 258 , wherein the driver is positioned above the fiber producing device. 
     
     
         260 . The method of  claim 242 , further comprising heating the fiber producing device. 
     
     
         261 . The method of  claim 242 , further comprising placing the fiber producing device in a chamber and controlling the environment inside the chamber. 
     
     
         262 . The method of  claim 242 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         263 . The method of  claim 262 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         264 . The method of  claim 263 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         265 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and   one or more needles coupled to one or more of the openings, wherein one or more needles comprise an angled and/or rounded outlet end;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more needles to produce microfibers and/or nanofibers.   
     
     
         266 . The device of  claim 265 , wherein one or more needles have an angled outlet end. 
     
     
         267 . The device of  claim 265 , wherein one or more needles have a rounded outlet end. 
     
     
         268 . The device of  claim 265 , further comprising one or more needle ports disposed in one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         269 . The device of  claim 268 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         270 . The device of  claim 268 , wherein one or more of the needle ports comprise a locking member positioned to inhibit removal of a needle positioned in a needle port during use. 
     
     
         271 . The device of  claim 268 , wherein one or more of the needle ports comprise a locking system used to couple a needle to the needle port, wherein the locking system locks the coupled needle in a predetermined orientation with respect to the body. 
     
     
         272 . The device of  claim 265 , further comprising a sealing ring positioned between one or more of the needles and the body. 
     
     
         273 . The device of  claim 265 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         274 . The device of  claim 265 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         275 . The device of  claim 265 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         276 . The device of  claim 265 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         277 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more needles coupled to one or more of the openings, wherein one or more needles comprise an angled and/or rounded outlet end; and 
   a driver capable of rotating the fiber producing device, wherein the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the fiber producing device causes material in the body to be ejected through one or more needles to produce microfibers and/or nanofibers.   
     
     
         278 . The system of  claim 277 , wherein one or more of the needles have an angled outlet end. 
     
     
         279 . The system of  claim 277 , wherein one or more of the needles have a rounded outlet end. 
     
     
         280 . The system of  claim 277 , further comprising one or more needle ports disposed in one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         281 . The system of  claim 280 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         282 . The system of  claim 280 , wherein one or more of the needle ports comprise a locking member positioned to inhibit removal of a needle positioned in a needle port during use. 
     
     
         283 . The system of  claim 280 , wherein one or more of the needle ports comprise a locking system used to couple a needle to the needle port, wherein the locking system locks the coupled needle in a predetermined orientation with respect to the body. 
     
     
         284 . The system of  claim 277 , further comprising a sealing ring positioned between one or more of the needles and the body. 
     
     
         285 . The system of  claim 277 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         286 . The system of  claim 277 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         287 . The system of  claim 277 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         288 . The system of  claim 277 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         289 . The system of  claim 277 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         290 . The system of  claim 277 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         291 . The system of  claim 290 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         292 . The system of  claim 290 , wherein the heating device comprises an infrared radiant heater. 
     
     
         293 . The system of  claim 277 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         294 . The system of  claim 277 , wherein the fiber producing device is capable of rotating the body at speeds of greater than about 1000 rpm. 
     
     
         295 . The system of  claim 277 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         296 . The system of  claim 295 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         297 . The system of  claim 296 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         298 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more needles coupled to one or more of the openings, wherein one or more needles comprise an angled and/or rounded outlet end; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more needles to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         299 . The method of  claim 298 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         300 . The method of  claim 298 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         301 . The method of  claim 298 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         302 . The method of  claim 298 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         303 . The method of  claim 298 , wherein one or more of the needles have an angled outlet end. 
     
     
         304 . The method of  claim 298 , wherein one or more of the needles have a rounded outlet end. 
     
     
         305 . The method of  claim 298 , wherein the fiber producing device further comprises one or more needle ports disposed in one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         306 . The method of  claim 305 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         307 . The method of  claim 305 , wherein one or more of the needle ports comprise a locking member positioned to inhibit removal of a needle positioned in a needle port during use. 
     
     
         308 . The method of  claim 305 , wherein one or more of the needle ports comprise a locking system used to couple a needle to the needle port, wherein the locking system locks the coupled needle in a predetermined orientation with respect to the body. 
     
     
         309 . The method of  claim 298 , wherein the fiber producing device further comprises a sealing ring positioned between one or more of the needles and the body. 
     
     
         310 . The method of  claim 298 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         311 . The method of  claim 298 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         312 . The method of  claim 298 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         313 . The method of  claim 298 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         314 . The method of  claim 298 , further comprising coupling the fiber producing device to a driver. 
     
     
         315 . The method of  claim 314 , wherein the driver is positioned above the fiber producing device. 
     
     
         316 . The method of  claim 298 , further comprising heating the fiber producing device. 
     
     
         317 . The method of  claim 298 , further comprising placing the fiber producing device in a chamber and controlling the environment inside the chamber. 
     
     
         318 . The method of  claim 298 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         319 . The method of  claim 318 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         320 . The method of  claim 319 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         321 . A device for use in a microfiber and/or nanofiber producing system, the fiber producing device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   one or more nozzles coupled to one or more of the openings, wherein one or more nozzles have a non-cylindrical outer surface;   wherein, during use, rotation of the body causes material in the body to be ejected through one or more nozzles to produce microfibers and/or nanofibers.   
     
     
         322 . The device of  claim 321 , wherein one or more nozzles have an outer surface having a tapered edge. 
     
     
         323 . The device of  claim 322 , wherein the tapered edge of one or more nozzles is oriented such that, during rotation of the body, gasses contact the tapered edge of the nozzle, creating a region of negative pressure on the side opposite to the tapered edge. 
     
     
         324 . The device of  claim 321 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         325 . The device of  claim 321 , wherein the nozzles are removably couplable to the body. 
     
     
         326 . The device of  claim 321 , wherein the body and one or more nozzles are formed from a single, unitary material 
     
     
         327 . The device of  claim 321 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         328 . The device of  claim 321 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         329 . The device of  claim 328 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         330 . The device of  claim 321 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         331 . The device of  claim 321 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         332 . The device of  claim 321 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         333 . The device of  claim 321 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         334 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; 
 one or more nozzles in one or more of the openings, wherein one or more nozzles have a non-cylindrical outer surface; 
   a driver capable of rotating the fiber producing device, wherein the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the body causes material in the body to be ejected through one or more nozzles to produce microfibers and/or nanofibers.   
     
     
         335 . The system of  claim 334 , wherein one or more of nozzles have an outer surface having a tapered edge. 
     
     
         336 . The system of  claim 335 , wherein the tapered edge of one or more nozzles is oriented such that, during rotation of the body, gasses contact the tapered edge of the outlet conduit, creating a region of negative pressure on the side opposite to the tapered edge. 
     
     
         337 . The system of  claim 334 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         338 . The system of  claim 334 , wherein the nozzles are removably couplable to the body. 
     
     
         339 . The system of  claim 334 , wherein the body and one or more nozzles are formed from a single, unitary material. 
     
     
         340 . The system of  claim 334 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         341 . The system of  claim 334 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         342 . The system of  claim 341 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         343 . The system of  claim 334 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         344 . The system of  claim 334 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         345 . The system of  claim 334 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         346 . The system of  claim 334 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         347 . The system of  claim 334 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         348 . The system of  claim 334 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         349 . The system of  claim 348 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         350 . The system of  claim 348 , wherein the heating device comprises an infrared radiant heater. 
     
     
         351 . The system of  claim 334 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         352 . The system of  claim 334 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         353 . The system of  claim 334 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         354 . The system of  claim 353 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         355 . The system of  claim 354 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         356 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more nozzles in one or more of the openings, wherein one or more nozzles have a non-cylindrical outer surface; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more nozzles to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         357 . The method of  claim 356 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         358 . The method of  claim 356 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         359 . The method of  claim 356 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         360 . The method of  claim 356 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         361 . The method of  claim 356 , wherein one or more of nozzles have an outer surface having a tapered edge. 
     
     
         362 . The method of  claim 356 , wherein the tapered edge of one or more nozzles is oriented such that, during rotation of the body, gasses contact the tapered edge of the outlet conduit, creating a region of negative pressure on the side opposite to the tapered edge. 
     
     
         363 . The method of  claim 356 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         364 . The method of  claim 356 , wherein the nozzles are removably couplable to the body. 
     
     
         365 . The method of  claim 356 , wherein the body and one or more nozzles are formed from a single, unitary material. 
     
     
         366 . The method of  claim 356 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         367 . The method of  claim 356 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         368 . The method of  claim 367 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         369 . The method of  claim 356 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         370 . The method of  claim 356 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         371 . The method of  claim 356 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         372 . The method of  claim 356 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         373 . The method of  claim 356 , further comprising coupling the fiber producing device to a driver. 
     
     
         374 . The method of  claim 373 , wherein the driver is positioned above the fiber producing device. 
     
     
         375 . The method of  claim 356 , further comprising heating the fiber producing device. 
     
     
         376 . The method of  claim 356 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         377 . The method of  claim 356 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         378 . The method of  claim 377 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         379 . The method of  claim 378 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         380 . A microfiber and/or nanofiber producing device comprising:
 a body comprising a plurality of openings, wherein the openings are horizontally and/or vertically displaced from each other;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through the one or more openings to produce microfibers and/or nanofibers.   
     
     
         381 . The device of  claim 380 , wherein the openings are arranged in levels, such that the body has a first level of openings arranged parallel to a second level of openings. 
     
     
         382 . The device of  claim 380 , wherein the openings are arranged in a predetermined pattern. 
     
     
         383 . The device of  claim 380 , wherein the body comprises a first member, a second member, and a third member; the first member comprising a first member coupling surface, the first member coupling surface comprising one or more grooves extending along the width of the first member coupling surface, the second member comprising a second member coupling surface and a coupling member, the second member coupling surface comprising one or more grooves extending along the width of the second member coupling surface, wherein the body is couplable to a driver through the coupling member;
 wherein the first member coupling surface is coupled to the second member coupling surface to form the body, wherein the first member and the second member together define an internal cavity of the body; and   wherein one or more grooves of the first member coupling member are substantially aligned with one or more grooves of the second member coupling member to form one or more openings extending from the interior cavity to an outer surface of the body;   
     
     
         384 . wherein, during use, rotation of the body causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers 
     
     
         385 . A microfiber and/or nanofiber producing device comprising:
 a body comprising two or more chambers and a coupling member, wherein a first chamber comprises one or more openings and is configured to receive material to be produced into a fiber; and wherein a second chamber comprises one or more openings and is configured to receive material to be produced into a fiber;   wherein, during use, rotation of the body coupled to the driver causes material in at least the first chamber and the second chamber to be ejected through the one or more openings to produce microfibers and/or nanofibers.   
     
     
         386 . The device of  claim 385 , wherein the first chamber is removably coupled to the second chamber. 
     
     
         387 . The device of  claim 386 , wherein additional chambers are removably coupled to the second chamber and/or each other. 
     
     
         388 . The device of  claim 385 , wherein the second chamber is positioned above the first chamber. 
     
     
         389 . The device of  claim 385 , wherein one or more chambers comprise a material inlet, wherein material may be added to a chamber through the material inlet without adding material to other chambers. 
     
     
         390 . The device of  claim 385 , further comprising one or more spacers positioned between two adjacent chambers. 
     
     
         391 . The device of  claim 385 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         392 . The device of  claim 391 , wherein the outlet elements are removably couplable to the body. 
     
     
         393 . The device of  claim 391 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         394 . The device of  claim 385 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         395 . The device of  claim 385 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         396 . The device of  claim 385 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         397 . The device of  claim 385 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         398 . The device of  claim 385 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         399 . The device of  claim 385 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         400 . The device of  claim 385 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         401 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body comprising two or more chambers and a coupling member, wherein a first chamber comprises one or more openings and is configured to receive material to be produced into a fiber; and wherein a second chamber comprises one or more openings and is configured to receive material to be produced into a fiber; and   a driver capable of rotating the fiber producing device, wherein the body of the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in at least the first chamber and the second chamber to be ejected through the one or more openings to produce microfibers and/or nanofibers   
     
     
         402 . The system of  claim 401 , wherein the first chamber is removably coupled to the second chamber. 
     
     
         403 . The system of  claim 402 , wherein additional chambers are removably coupled to the second chamber and/or each other. 
     
     
         404 . The system of  claim 401 , wherein the second chamber is positioned above the first chamber. 
     
     
         405 . The system of  claim 401 , wherein one or more chambers comprise a material inlet, wherein material may be added to a chamber through the material inlet without adding material to other chambers. 
     
     
         406 . The system of  claim 401 , further comprising one or more spacers positioned between two adjacent chambers. 
     
     
         407 . The system of  claim 401 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         408 . The system of  claim 407 , wherein the outlet elements are removably couplable to the body. 
     
     
         409 . The system of  claim 407 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         410 . The system of  claim 401 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         411 . The system of  claim 401 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         412 . The system of  claim 401 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         413 . The system of  claim 401 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         414 . The system of  claim 401 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         415 . The system of  claim 401 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         416 . The system of  claim 401 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         417 . The system of  claim 401 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         418 . The system of  claim 401 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         419 . The system of  claim 418 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         420 . The system of  claim 418 , wherein the heating device comprises an infrared radiant heater. 
     
     
         421 . The system of  claim 401 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         422 . The system of  claim 401 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         423 . The system of  claim 401 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         424 . The system of  claim 423 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         425 . The system of  claim 424 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         426 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into two or more chambers of a fiber producing device, wherein two or more of the chambers comprise one or more openings;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in two or more of the chambers to be passed through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         427 . The method of  claim 426 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         428 . The method of  claim 426 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         429 . The method of  claim 426 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         430 . The method of  claim 426 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         431 . The method of  claim 426 , wherein a first chamber is removably coupled to a second chamber to form a body of the fiber producing device. 
     
     
         432 . The method of  claim 428 , wherein additional chambers are removably coupled to the second chamber and/or each other. 
     
     
         433 . The method of  claim 426 , wherein the second chamber is positioned above the first chamber. 
     
     
         434 . The method of  claim 426 , wherein one or more chambers comprise a material inlet, wherein material may be added to a chamber through the material inlet without adding material to other chambers. 
     
     
         435 . The method of  claim 426 , further comprising one or more spacers positioned between two adjacent chambers. 
     
     
         436 . The method of  claim 426 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         437 . The method of  claim 436 , wherein the outlet elements are removably couplable to the body. 
     
     
         438 . The method of  claim 436 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet element in a predetermined orientation with respect to the body. 
     
     
         439 . The method of  claim 426 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         440 . The method of  claim 426 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         441 . The method of  claim 426 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         442 . The method of  claim 426 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         443 . The method of  claim 426 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         444 . The method of  claim 426 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         445 . The method of  claim 426 , wherein at least one chamber comprises one or more sidewalls at least partially defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         446 . The method of  claim 426 , further comprising coupling the fiber producing device to a driver. 
     
     
         447 . The method of  claim 446 , wherein the driver is positioned above the fiber producing device. 
     
     
         448 . The method of  claim 426 , further comprising heating the fiber producing device. 
     
     
         449 . The method of  claim 426 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         450 . The method of  claim 426 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         451 . The method of  claim 450 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         452 . The method of  claim 451 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         453 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a collection system that collects fibers produced by the fiber producing device during use, the collection system comprising one or more collecting elements coupled to a collection element substrate, wherein one or more collection elements comprise an arcuate projection extending from the collection element substrate;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers that are at least partially collected on the collecting elements.   
     
     
         454 . The system of  claim 453 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         455 . The system of  claim 454 , wherein the outlet elements are removably couplable to the body. 
     
     
         456 . The system of  claim 454 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         457 . The system of  claim 453 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         458 . The system of  claim 453 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         459 . The system of  claim 453 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         460 . The system of  claim 453 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         461 . The system of  claim 453 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         462 . The system of  claim 453 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         463 . The system of  claim 453 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         464 . The system of  claim 453 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         465 . The system of  claim 453 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         466 . The system of  claim 465 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         467 . The system of  claim 465 , wherein the heating device comprises an infrared radiant heater. 
     
     
         468 . The system of  claim 453 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         469 . The system of  claim 453 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         470 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   positioning a collection system around at least a portion of the fiber producing device, the collection system comprising one or more collecting elements coupled to a collection element substrate, wherein one or more collection elements comprise an arcuate projection extending from the collection element substrate;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers on one or more collection elements.   
     
     
         471 . The method of  claim 470 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         472 . The method of  claim 470 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         473 . The method of  claim 470 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         474 . The method of  claim 470 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         475 . The method of  claim 470 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         476 . The method of  claim 475 , wherein the outlet elements are removably couplable to the body. 
     
     
         477 . The method of  claim 470 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         478 . The method of  claim 470 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         479 . The method of  claim 470 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         480 . The method of  claim 470 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         481 . The method of  claim 470 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         482 . The method of  claim 470 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         483 . The method of  claim 470 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         484 . The method of  claim 470 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         485 . The method of  claim 470 , further comprising coupling the fiber producing device to a driver. 
     
     
         486 . The method of  claim 485 , wherein the driver is positioned above the fiber producing device. 
     
     
         487 . The method of  claim 470 , further comprising heating the fiber producing device. 
     
     
         488 . The method of  claim 470 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         489 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a collection system that collects fibers produced by the fiber producing device during use, the collection system comprising one or more collecting elements coupled to a collection element substrate, wherein one or more collection elements comprise a projection comprising a substantially flat longitudinal surface extending from the collection element substrate;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers that are at least partially collected on the collecting elements.   
     
     
         490 . The system of  claim 489 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         491 . The system of  claim 490 , wherein the outlet elements are removably couplable to the body. 
     
     
         492 . The system of  claim 490 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         493 . The system of  claim 489 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         494 . The system of  claim 489 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         495 . The system of  claim 489 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         496 . The system of  claim 489 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         497 . The system of  claim 489 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         498 . The system of  claim 489 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         499 . The system of  claim 489 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         500 . The system of  claim 489 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         501 . The system of  claim 489 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         502 . The system of  claim 501 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         503 . The system of  claim 501 , wherein the heating device comprises an infrared radiant heater. 
     
     
         504 . The system of  claim 489 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         505 . The system of  claim 489 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         506 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   positioning a collection system around at least a portion of the fiber producing device, the collection system comprising one or more collecting elements coupled to a collection element substrate, wherein one or more collection elements comprise a projection comprising a substantially flat longitudinal surface extending from the collection element substrate;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers on one or more collection elements.   
     
     
         507 . The method of  claim 506 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         508 . The method of  claim 506 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         509 . The method of  claim 506 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         510 . The method of  claim 506 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         511 . The method of  claim 506 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         512 . The method of  claim 511 , wherein the outlet elements are removably couplable to the body. 
     
     
         513 . The method of  claim 506 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         514 . The method of  claim 506 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         515 . The method of  claim 506 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         516 . The method of  claim 506 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         517 . The method of  claim 506 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         518 . The method of  claim 506 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         519 . The method of  claim 506 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         520 . The method of  claim 506 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         521 . The method of  claim 506 , further comprising coupling the fiber producing device to a driver. 
     
     
         522 . The method of  claim 506 , wherein the driver is positioned above the fiber producing device. 
     
     
         523 . The method of  claim 506 , further comprising heating the fiber producing device. 
     
     
         524 . The method of  claim 506 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         525 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a collection system that collects fibers produced by the fiber producing device during use, the collection system comprising one or more collecting elements coupled to a collection element substrate, wherein the collection elements are positioned surrounding at least a portion of the fiber producing device, and wherein the position of the collection elements with respect to the fiber producing device is adjustable by moving the collection elements along a portion of the collection element substrate;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers that are at least partially collected on the collecting elements.   
     
     
         526 . The system of  claim 525 , wherein one or more collection elements comprise a projection. 
     
     
         527 . The system of  claim 525 , wherein the collection element substrate comprises one or more grooves and wherein one or more collection elements are coupled to one or more of the grooves such that the position of a collection element coupled to a groove is adjustable by moving the collection element along the groove. 
     
     
         528 . The system of  claim 525 , wherein the collection element substrate comprises a first substrate plate comprising one or more grooves, and a second substrate plate comprising one or more grooves, wherein one or more collection elements are coupled to one or more of the grooves of the first substrate plate and one or more grooves of the second substrate plate, such that the position of a collection element coupled to a groove in the first substrate plate and the second substrate plate is adjustable by rotating the first substrate plate with respect to the second substrate plate. 
     
     
         529 . The system of  claim 525 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         530 . The system of  claim 529 , wherein the outlet elements are removably couplable to the body. 
     
     
         531 . The system of  claim 529 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         532 . The system of  claim 525 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         533 . The system of  claim 525 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         534 . The system of  claim 525 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         535 . The system of  claim 525 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         536 . The system of  claim 525 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         537 . The system of  claim 525 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         538 . The system of  claim 525 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         539 . The system of  claim 525 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         540 . The system of  claim 525 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         541 . The system of  claim 540 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         542 . The system of  claim 540 , wherein the heating device comprises an infrared radiant heater. 
     
     
         543 . The system of  claim 525 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         544 . The system of  claim 525 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         545 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   positioning a collection system around at least a portion of the fiber producing device, the collection system comprising one or more collecting elements coupled to a collection element substrate;   adjusting the position of the collection elements with respect to the fiber producing device by moving the collection elements along a portion of the collection element substrate;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers on one or more collection elements.   
     
     
         546 . The method of  claim 545 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         547 . The method of  claim 545 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         548 . The method of  claim 545 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         549 . The method of  claim 545 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         550 . The method of  claim 545 , wherein one or more collection elements comprise a projection. 
     
     
         551 . The method of  claim 545 , wherein the collection element substrate comprises one or more grooves and wherein one or more collection elements are coupled to one or more of the grooves, wherein adjusting the position of the collection elements comprises moving the collection element along the groove. 
     
     
         552 . The method of  claim 545 , wherein the collection element substrate comprises a first substrate plate comprising one or more grooves, and a second substrate plate comprising one or more grooves, wherein one or more collection elements are coupled to one or more of the grooves of the first substrate plate and one or more grooves of the second substrate plate, wherein adjusting the position of a collection element coupled to a groove in the first substrate plate and the second substrate plate comprises rotating the first substrate plate with respect to the second substrate plate. 
     
     
         553 . The method of  claim 545 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         554 . The method of  claim 553 , wherein the outlet elements are removably couplable to the body. 
     
     
         555 . The method of  claim 553 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         556 . The method of  claim 545 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         557 . The method of  claim 545 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         558 . The method of  claim 545 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         559 . The method of  claim 545 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         560 . The method of  claim 545 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         561 . The method of  claim 545 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         562 . The method of  claim 545 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         563 . The method of  claim 545 , further comprising coupling the fiber producing device to a driver. 
     
     
         564 . The method of  claim 545 , further comprising coupling the fiber producing device to a driver. 
     
     
         565 . The method of  claim 564 , wherein the driver is positioned above the fiber producing device. 
     
     
         566 . The method of  claim 545 , further comprising heating the fiber producing device. 
     
     
         567 . The method of  claim 545 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         568 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a collection system that collects fibers produced by the fiber producing device during use, the collection system comprising one or more collecting elements coupled to a collection element substrate and a collection container, wherein the collection container at least partially surrounds the fiber producing device and wherein the collection elements are removably positionable in the collection container;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers that are at least partially collected on the collecting elements.   
     
     
         569 . The system of  claim 568 , wherein one or more collection elements comprise a projection. 
     
     
         570 . The system of  claim 568 , wherein the position of the collection elements with respect to the fiber producing device is adjustable by removing one or more collection elements and replacing the removed collection elements with collection elements having a substantially different physical dimension when compared to a corresponding physical dimension of a removed collecting element. 
     
     
         571 . The system of  claim 568 , wherein a configuration of the collection system is altered by removing one or more collection elements and/or adding one or more additional collection elements to the collection container. 
     
     
         572 . The system of  claim 568 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         573 . The system of  claim 572 , wherein the outlet elements are removably couplable to the body. 
     
     
         574 . The system of  claim 572 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         575 . The system of  claim 568 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         576 . The system of  claim 568 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         577 . The system of  claim 568 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         578 . The system of  claim 568 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         579 . The system of  claim 568 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         580 . The system of  claim 568 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         581 . The system of  claim 568 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         582 . The system of  claim 568 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         583 . The system of  claim 568 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         584 . The system of  claim 583 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         585 . The system of  claim 583 , wherein the heating device comprises an infrared radiant heater. 
     
     
         586 . The system of  claim 568 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         587 . The system of  claim 568 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         588 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   positioning a collection system around at least a portion of the fiber producing device, the collection system comprising one or more collecting elements coupled to a collection element substrate and a collection container, wherein the collection container at least partially surrounds the fiber producing device and wherein the collection elements are removably positionable in the collection container;   adjusting the configuration of the collection system by removing and/or adding collection elements to the collection container;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers on one or more collection elements.   
     
     
         589 . The method of  claim 588 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         590 . The method of  claim 588 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         591 . The method of  claim 588 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         592 . The method of  claim 588 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         593 . The method of  claim 588 , wherein one or more collection elements comprise a projection. 
     
     
         594 . The method of  claim 588 , wherein adjusting the configuration of the collection system comprises removing one or more collection elements and replacing the removed collection elements with collection elements having a substantially different physical dimension when compared to a corresponding physical dimension of a removed collecting element. 
     
     
         595 . The method of  claim 588 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         596 . The method of  claim 595 , wherein the outlet elements are removably couplable to the body. 
     
     
         597 . The method of  claim 595 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         598 . The method of  claim 588 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         599 . The method of  claim 588 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         600 . The method of  claim 588 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         601 . The method of  claim 588 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         602 . The method of  claim 588 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         603 . The method of  claim 588 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         604 . The method of  claim 588 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         605 . The method of  claim 588 , further comprising coupling the fiber producing device to a driver. 
     
     
         606 . The method of  claim 605 , wherein the driver is positioned above the fiber producing device. 
     
     
         607 . The method of  claim 588 , further comprising heating the fiber producing device. 
     
     
         608 . The method of  claim 588 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         609 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a fluid level sensor coupled to the fiber producing device, the fluid level sensor being positioned to detect a level of fluid inside the fiber producing device,   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers that are at least partially collected on the collection system.   
     
     
         610 . The system of  claim 609 , wherein the fluid level sensor is an optical level sensor optically coupled to the fiber producing device. 
     
     
         611 . The system of  claim 609 , wherein the optical level sensor is external to the fiber producing device. 
     
     
         612 . The system of  claim 609 , wherein the fluid level sensor is a laser level sensor. 
     
     
         613 . The system of  claim 609 , wherein the fluid level sensor is an ultrasonic level sensor. 
     
     
         614 . The system of  claim 609 , further comprising one or more outlet elements coupled to one or more of the openings, wherein the one or more outlet elements comprise an outlet orifice. 
     
     
         615 . The system of  claim 614 , wherein the outlet elements are removably couplable to the body. 
     
     
         616 . The system of  claim 614 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         617 . The system of  claim 609 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         618 . The system of  claim 609 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         619 . The system of  claim 609 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         620 . The system of  claim 609 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         621 . The system of  claim 609 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         622 . The system of  claim 609 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         623 . The system of  claim 609 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         624 . The system of  claim 609 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         625 . The system of  claim 609 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         626 . The system of  claim 625 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         627 . The system of  claim 625 , wherein the heating device comprises an infrared radiant heater. 
     
     
         628 . The system of  claim 609 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         629 . The system of  claim 609 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         630 . The system of  claim 609 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         631 . The system of  claim 630 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         632 . The system of  claim 631 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         633 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers;   determining a level of material in the fiber producing device during rotation of the fiber producing device; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         634 . The method of  claim 633 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         635 . The method of  claim 633 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         636 . The method of  claim 633 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         637 . The method of  claim 633 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         638 . The method of  claim 633 , further comprising adding more material to the fiber producing device or discontinuing rotation of the fiber producing device when the level of material in the fiber producing device reaches a predetermined level. 
     
     
         639 . The method of  claim 633 , wherein the level of material in the fiber producing device is determined using a fluid level sensor that is coupled to the fiber producing device. 
     
     
         640 . The method of  claim 639 , wherein the fluid level sensor is an optical level sensor optically coupled to the fiber producing device. 
     
     
         641 . The method of  claim 640 , wherein the optical level sensor is external to the fiber producing device. 
     
     
         642 . The method of  claim 639 , wherein the fluid level sensor is a laser level sensor. 
     
     
         643 . The method of  claim 639 , wherein the fluid level sensor is an ultrasonic level sensor. 
     
     
         644 . The method of  claim 633 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         645 . The method of  claim 644 , wherein the outlet elements are removably couplable to the body. 
     
     
         646 . The method of  claim 644 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         647 . The method of  claim 633 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         648 . The method of  claim 633 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         649 . The method of  claim 633 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         650 . The method of  claim 633 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         651 . The method of  claim 633 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         652 . The method of  claim 633 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         653 . The method of  claim 633 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         654 . The method of  claim 633 , further comprising coupling the fiber producing device to a driver. 
     
     
         655 . The method of  claim 654 , wherein the driver is positioned above the fiber producing device. 
     
     
         656 . The method of  claim 633 , further comprising heating the fiber producing device. 
     
     
         657 . The method of  claim 633 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         658 . The method of  claim 633 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         659 . The method of  claim 658 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         660 . The method of  claim 659 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         661 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a collection system configured to collect fibers produced by the fiber producing device;   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers, and wherein the collection system produces a vacuum that causes a flow of produced fibers to the collection system.   
     
     
         662 . The system of  claim 661 , wherein the collection system comprises a collection conduit surrounding at least a portion of the body and a collection chamber coupled to the collection conduit, wherein produced fibers are transferred through the collection conduit to the collection chamber during use. 
     
     
         663 . The system of  claim 661 , further comprising one or more fiber cutting elements positioned proximate to the fiber producing device, wherein fibers produced by the fiber producing device are cut by the fiber cutting elements as the fibers are transferred to the collection system during use. 
     
     
         664 . The system of  claim 661 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         665 . The system of  claim 664 , wherein the outlet elements are removably couplable to the body. 
     
     
         666 . The system of  claim 664 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         667 . The system of  claim 661 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         668 . The system of  claim 661 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         669 . The system of  claim 661 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         670 . The system of  claim 661 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         671 . The system of  claim 661 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         672 . The system of  claim 661 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         673 . The system of  claim 661 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         674 . The system of  claim 661 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         675 . The system of  claim 661 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         676 . The system of  claim 675 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         677 . The system of  claim 675 , wherein the heating device comprises an infrared radiant heater. 
     
     
         678 . The system of  claim 661 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         679 . The system of  claim 661 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         680 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   applying a vacuum proximate to the produced microfibers and/or nanofibers to draw at least a portion of the produced microfibers and/or nanofibers into a fiber collection system.   
     
     
         681 . The method of  claim 680 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         682 . The method of  claim 680 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         683 . The method of  claim 680 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         684 . The method of  claim 680 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         685 . The method of  claim 680 , wherein the fiber collection system comprises a collection conduit surrounding at least a portion of the fiber producing device and a collection chamber coupled to the collection conduit, wherein the vacuum is applied to the collection conduit to draw the produced microfibers and/or nanofibers through the collection conduit to the collection chamber during use. 
     
     
         686 . The method of  claim 680 , further comprising cutting at least a portion of the produced microfibers and/or nanofibers as the microfibers and/or nanofibers are transferred into the fiber collection system. 
     
     
         687 . The method of  claim 680 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         688 . The method of  claim 687 , wherein the outlet elements are removably couplable to the body. 
     
     
         689 . The method of  claim 687 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         690 . The method of  claim 680 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         691 . The method of  claim 680 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         692 . The method of  claim 680 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         693 . The method of  claim 680 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         694 . The method of  claim 680 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         695 . The method of  claim 680 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         696 . The method of  claim 680 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         697 . The method of  claim 680 , further comprising coupling the fiber producing device to a driver. 
     
     
         698 . The method of  claim 697 , wherein the driver is positioned above the fiber producing device. 
     
     
         699 . The method of  claim 680 , further comprising heating the fiber producing device. 
     
     
         700 . The method of  claim 680 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         701 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a deposition system that collects fibers produced by the fiber producing device during use and directs the collected fibers toward a substrate disposed in the deposition system during use;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers that are at least partially transferred to the deposition system.   
     
     
         702 . The system of  claim 701 , wherein the deposition system comprises a substrate support that positions a substrate in the flow of a stream of microfibers and/or nanofibers produced by the fiber producing device during use. 
     
     
         703 . The system of  claim 702 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum. 
     
     
         704 . The system of  claim 702 , wherein the substrate support moves the substrate through a portion of the deposition system. 
     
     
         705 . The system of  claim 702 , wherein the substrate support comprises a rounded edge that allows continuous feed of a sheet-like substrate through the deposition system during use. 
     
     
         706 . The system of  claim 701 , wherein the deposition system comprises a fiber deflector that directs a stream of fibers produced by the fiber producing device toward a substrate disposed in the deposition system during use. 
     
     
         707 . The system of  claim 701 , further comprising one or more outlet elements coupled to one or more of the openings, wherein the one or more outlet conduits elements an outlet orifice. 
     
     
         708 . The system of  claim 707 , wherein the outlet elements are removably couplable to the body. 
     
     
         709 . The system of  claim 707 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         710 . The system of  claim 701 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         711 . The system of  claim 701 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         712 . The system of  claim 701 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         713 . The system of  claim 701 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         714 . The system of  claim 701 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         715 . The system of  claim 701 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         716 . The system of  claim 701 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         717 . The system of  claim 701 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         718 . The system of  claim 701 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         719 . The system of  claim 718 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         720 . The system of  claim 718 , wherein the heating device comprises an infrared radiant heater. 
     
     
         721 . The system of  claim 701 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         722 . The system of  claim 701 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         723 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   depositing at least a portion of the produced microfibers and/or nanofibers onto a substrate.   
     
     
         724 . The method of  claim 723 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         725 . The method of  claim 723 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         726 . The method of  claim 723 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         727 . The method of  claim 723 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         728 . The method of  claim 723 , wherein depositing at least a portion of the microfibers and/or nanofibers onto a substrate comprises transferring at least a portion of the microfibers and/or nanofibers to a deposition system, the deposition system comprising a substrate support that positions a substrate in a flow of a stream of microfibers and/or nanofibers produced by the fiber producing device. 
     
     
         729 . The method of  claim 723 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum. 
     
     
         730 . The method of  claim 723 , further comprising moving the substrate through a portion of the deposition system. 
     
     
         731 . The method of  claim 723 , wherein the substrate support comprises a rounded edge, and wherein the method further comprises substantially continuously feeding a sheet-like substrate through the deposition system during use. 
     
     
         732 . The method of  claim 723 , wherein the deposition system comprises a fiber deflector that directs a stream of fibers produced by the fiber producing device toward a substrate disposed in the deposition system during use. 
     
     
         733 . The method of  claim 723 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         734 . The method of  claim 733 , wherein the outlet elements are removably couplable to the body. 
     
     
         735 . The method of  claim 733 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         736 . The method of  claim 723 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         737 . The method of  claim 723 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         738 . The method of  claim 723 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         739 . The method of  claim 723 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         740 . The method of  claim 723 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         741 . The method of  claim 723 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         742 . The method of  claim 723 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         743 . The method of  claim 723 , further comprising coupling the fiber producing device to a driver. 
     
     
         744 . The method of  claim 743 , wherein the driver is positioned above the fiber producing device. 
     
     
         745 . The method of  claim 723 , further comprising heating the fiber producing device. 
     
     
         746 . The method of  claim 723 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         747 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a collection system configured to collect fibers produced by the fiber producing device, the collection system comprising an gas flow device and a collection chamber;   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers, and wherein the collection system produces an gas flow that causes a flow of produced fibers to the collection chamber.   
     
     
         748 . The system of  claim 747 , wherein the collection system comprises a collection conduit surrounding at least a portion of the body, wherein the collection chamber is coupled to the collection conduit and wherein the gas flow device is coupled to the collection conduit, wherein produced fibers are transferred through the collection conduit to the collection chamber by gas, produced by the gas flow device, flowing through the collection conduit during use. 
     
     
         749 . The system of  claim 747 , further comprising one or more fiber cutting elements positioned proximate to the fiber producing device, wherein fibers produced by the fiber producing device are cut by the fiber cutting elements as the fibers are transferred to the collection system during use. 
     
     
         750 . The system of  claim 747 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         751 . The system of  claim 750 , wherein the outlet elements are removably couplable to the body. 
     
     
         752 . The system of  claim 750 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         753 . The system of  claim 747 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         754 . The system of  claim 747 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         755 . The system of  claim 747 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         756 . The system of  claim 747 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         757 . The system of  claim 747 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         758 . The system of  claim 747 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         759 . The system of  claim 747 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         760 . The system of  claim 747 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         761 . The system of  claim 747 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         762 . The system of  claim 761 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         763 . The system of  claim 761 , wherein the heating device comprises an infrared radiant heater. 
     
     
         764 . The system of  claim 747 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         765 . The system of  claim 747 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         766 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   applying an gas flow proximate to the produced microfibers and/or nanofibers to create a flow of at least a portion of the produced microfibers and/or nanofibers into a fiber collection chamber.   
     
     
         767 . The method of  claim 766 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         768 . The method of  claim 766 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         769 . The method of  claim 766 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         770 . The method of  claim 766 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         771 . The method of  claim 766 , wherein the collection system comprises a collection conduit surrounding at least a portion of the body, wherein the collection chamber is coupled to the collection conduit and wherein the gas flow device is coupled to the collection conduit, wherein the method comprises producing an gas flow in the conduit by operating the gas flow device, and transferring the produced fibers through the collection conduit to the collection chamber by gas produced by the gas flow device. 
     
     
         772 . The method of  claim 766 , further comprising cutting at least a portion of the produced microfibers and/or nanofibers as the microfibers and/or nanofibers are transferred into the fiber collection system. 
     
     
         773 . The method of  claim 766 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         774 . The method of  claim 773 , wherein the outlet elements are removably couplable to the body. 
     
     
         775 . The method of  claim 773 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         776 . The method of  claim 766 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         777 . The method of  claim 766 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         778 . The method of  claim 766 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         779 . The method of  claim 766 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         780 . The method of  claim 766 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         781 . The method of  claim 766 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         782 . The method of  claim 766 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         783 . The method of  claim 766 , further comprising coupling the fiber producing device to a driver. 
     
     
         784 . The method of  claim 783 , wherein the driver is positioned above the fiber producing device. 
     
     
         785 . The method of  claim 766 , further comprising heating the fiber producing device. 
     
     
         786 . The method of  claim 766 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         787 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   wherein one or more openings has a diameter and/or shape that produces microfibers during use, and wherein one or more openings have a diameter and/or shape that produces nanofibers during use;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and nanofibers.   
     
     
         788 . The device of  claim 787 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         789 . The device of  claim 787 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         790 . The device of  claim 787 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         791 . The device of  claim 787 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         792 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; 
 wherein one or more openings has a diameter and/or shape that produces microfibers during use, and wherein one or more openings have a diameter and/or shape that produces nanofibers during use; and 
   a driver capable of rotating the fiber producing device, wherein the fiber producing device is couplable to the driver through the coupling member;   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and nanofibers.   
     
     
         793 . The system of  claim 792 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         794 . The system of  claim 792 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         795 . The system of  claim 792 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         796 . The system of  claim 792 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         797 . The system of  claim 792 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         798 . The system of  claim 792 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         799 . The system of  claim 798 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         800 . The system of  claim 798 , wherein the heating device comprises an infrared radiant heater. 
     
     
         801 . The system of  claim 792 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         802 . The system of  claim 792 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         803 . The system of  claim 792 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         804 . The system of  claim 803 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         805 . The system of  claim 804 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         806 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 wherein one or more openings has a diameter and/or shape that produces microfibers during use, and wherein one or more openings have a diameter and/or shape that produces nanofibers during use; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be passed through one or more openings to produce microfibers and nanofibers; and   collecting at least a portion of the produced microfibers and nanofibers.   
     
     
         807 . The method of  claim 806 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         808 . The method of  claim 806 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         809 . The method of  claim 806 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         810 . The method of  claim 806 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         811 . The method of  claim 806 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         812 . The method of  claim 806 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         813 . The method of  claim 806 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         814 . The method of  claim 806 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         815 . The method of  claim 806 , further comprising coupling the fiber producing device to a driver. 
     
     
         816 . The method of  claim 815 , wherein the driver is positioned above the fiber producing device. 
     
     
         817 . The method of  claim 806 , further comprising heating the fiber producing device. 
     
     
         818 . The method of  claim 806 , further comprising placing the fiber producing device in a chamber and controlling the environment inside the chamber. 
     
     
         819 . The method of  claim 806 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         820 . The method of  claim 819 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         821 . The method of  claim 820 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         822 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and   one or more nozzles coupled to one or more of the openings;   wherein one or more nozzles have a nozzle tip having a diameter and/or shape that produces microfibers during use, and wherein one or more nozzles have a nozzle tip having a diameter and/or shape that produces nanofibers during use;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more nozzles to produce microfibers and nanofibers.   
     
     
         823 . The device of  claim 822 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         824 . The device of  claim 822 , wherein the nozzles are removably couplable to the body. 
     
     
         825 . The device of  claim 822 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         826 . The device of  claim 822 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         827 . The device of  claim 826 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         828 . The device of  claim 822 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         829 . The device of  claim 822 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         830 . The device of  claim 822 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         831 . The device of  claim 822 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         832 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more nozzles coupled to one or more of the openings, wherein one or more nozzles have a nozzle tip having a diameter and/or shape that produces microfibers during use, and wherein one or more nozzles have a nozzle tip having a diameter and/or shape that produces nanofibers during use; and 
   a driver capable of rotating the fiber producing device, wherein the fiber producing device is couplable to the driver through the coupling member;   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be ejected through one or more nozzles to produce microfibers and nanofibers.   
     
     
         833 . The system of  claim 832 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         834 . The system of  claim 832 , wherein the nozzles are removably couplable to the body. 
     
     
         835 . The system of  claim 832 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         836 . The system of  claim 832 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         837 . The system of  claim 836 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         838 . The system of  claim 832 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         839 . The system of  claim 832 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         840 . The system of  claim 832 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         841 . The system of  claim 832 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         842 . The system of  claim 832 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         843 . The system of  claim 832 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         844 . The system of  claim 843 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         845 . The system of  claim 843 , wherein the heating device comprises an infrared radiant heater. 
     
     
         846 . The system of  claim 832 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         847 . The system of  claim 832 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         848 . The system of  claim 832 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         849 . The system of  claim 848 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         850 . The system of  claim 849 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         851 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more nozzles coupled to one or more of the openings, wherein one or more nozzles have an nozzle tip having a diameter and/or shape that produces microfibers during use, and wherein one or more nozzles have an nozzle tip having a diameter and/or shape that produces nanofibers during use; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be passed through one or more nozzles to produce microfibers and nanofibers; and   collecting the produced microfibers and nanofibers.   
     
     
         852 . The method of  claim 851 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         853 . The method of  claim 851 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         854 . The method of  claim 851 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         855 . The method of  claim 851 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         856 . The method of  claim 851 , further comprising a sealing ring positioned between one or more of the nozzles and the body. 
     
     
         857 . The method of  claim 851 , wherein the nozzles are removably couplable to the body. 
     
     
         858 . The method of  claim 851 , wherein the body comprises a locking system used to couple one or more nozzles to the openings, wherein the locking system locks the coupled nozzles in a predetermined orientation with respect to the body. 
     
     
         859 . The method of  claim 851 , further comprising one or more outlet conduits coupling one or more nozzles to one or more openings. 
     
     
         860 . The method of  claim 859 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         861 . The method of  claim 851 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         862 . The method of  claim 851 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         863 . The method of  claim 851 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         864 . The method of  claim 851 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         865 . The method of  claim 851 , further comprising coupling the fiber producing device to a driver. 
     
     
         866 . The method of  claim 865 , wherein the driver is positioned above the fiber producing device. 
     
     
         867 . The method of  claim 851 , further comprising heating the fiber producing device. 
     
     
         868 . The method of  claim 851 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         869 . The method of  claim 851 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         870 . The method of  claim 869 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         871 . The method of  claim 870 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         872 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a plurality of needles coupled to one or more of the openings, wherein at least one needle comprises an opening having a diameter and/or shape that produces microfibers during use, wherein at least one needle comprise an opening having a diameter and/or shape that produces nanofibers during use;   wherein, during use, rotation of the body causes material in the body to be ejected through one or more needles to produce microfibers and nanofibers.   
     
     
         873 . The device of  claim 872 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         874 . The device of  claim 873 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         875 . The device of  claim 873 , wherein one or more of the needle ports are removable couplable to the body. 
     
     
         876 . The device of  claim 873 , further comprising one or more outlet conduits coupling one or more of the needle ports to one or more of the openings. 
     
     
         877 . The device of  claim 873 , further comprising a sealing ring positioned between one or more of the needle ports and the body. 
     
     
         878 . The device of  claim 873 , wherein one or more of the needle ports comprise a locking member positioned to inhibit removal of a needle positioned in a needle port during use. 
     
     
         879 . The device of  claim 873 , wherein one or more of the needle ports comprise a locking system used to couple a needle to the needle port, wherein the locking system locks the coupled needle in a predetermined orientation with respect to the body. 
     
     
         880 . The device of  claim 872 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         881 . The device of  claim 872 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         882 . The device of  claim 872 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         883 . The device of  claim 872 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         884 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 a plurality of needles coupled to one or more of the openings, wherein at least one needle comprises an opening having a diameter and/or shape that produces microfibers during use, wherein at least one needle comprise an opening having a diameter and/or shape that produces nanofibers during use; and 
   a driver capable of rotating the fiber producing device, wherein the fiber producing device is couplable to the driver through the coupling member;   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be ejected through one or more needles to produce microfibers and nanofibers.   
     
     
         885 . The system of  claim 884 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         886 . The system of  claim 885 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         887 . The system of  claim 885 , wherein one or more of the needle ports are removable couplable to the body. 
     
     
         888 . The system of  claim 885 , further comprising one or more outlet conduits coupling one or more of the needle ports to one or more of the openings. 
     
     
         889 . The system of  claim 885 , further comprising a sealing ring positioned between one or more of the needle ports and the body. 
     
     
         890 . The system of  claim 885 , wherein one or more of the needle ports comprise a locking member positioned to inhibit removal of a needle positioned in a needle port during use. 
     
     
         891 . The system of  claim 885 , wherein one or more of the needle ports comprise a locking system used to couple a needle to the needle port, wherein the locking system locks the coupled needle in a predetermined orientation with respect to the body. 
     
     
         892 . The system of  claim 884 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         893 . The system of  claim 884 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         894 . The system of  claim 884 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         895 . The system of  claim 884 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         896 . The system of  claim 884 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         897 . The system of  claim 884 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         898 . The system of  claim 897 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         899 . The system of  claim 897 , wherein the heating device comprises an infrared radiant heater. 
     
     
         900 . The system of  claim 884 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         901 . The system of  claim 884 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         902 . The system of  claim 884 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         903 . The system of  claim 902 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         904 . The system of  claim 903 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         905 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 a plurality of needles coupled to one or more of the openings, wherein at least one needle comprises an opening having a diameter and/or shape that produces microfibers during use, wherein at least one needle comprises an opening having a diameter and/or shape that produces nanofibers during use; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be passed through one or more needles to produce microfibers and nanofibers; and   collecting at least a portion of the produced microfibers and nanofibers.   
     
     
         906 . The method of  claim 905 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         907 . The method of  claim 905 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         908 . The method of  claim 905 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         909 . The method of  claim 905 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         910 . The method of  claim 905 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         911 . The method of  claim 910 , wherein one or more of the needle ports are luer-lock connectors. 
     
     
         912 . The method of  claim 910 , wherein one or more of the needle ports are removable couplable to the body. 
     
     
         913 . The method of  claim 910 , wherein the fiber producing device further comprises one or more outlet conduits coupling one or more of the needle ports to one or more of the openings. 
     
     
         914 . The method of  claim 910 , wherein the fiber producing device further comprises a sealing ring positioned between one or more of the needle ports and the body. 
     
     
         915 . The method of  claim 910 , wherein one or more of the needle ports comprise a locking member positioned to inhibit removal of a needle positioned in a needle port during use. 
     
     
         916 . The method of  claim 910 , wherein one or more of the needle ports comprise a locking system used to couple a needle to the needle port, wherein the locking system locks the coupled needle in a predetermined orientation with respect to the body. 
     
     
         917 . The method of  claim 905 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         918 . The method of  claim 905 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         919 . The method of  claim 905 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         920 . The method of  claim 905 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         921 . The method of  claim 905 , wherein the fiber producing device further comprises one or more dividers positioned in one or more needle ports, wherein the dividers divide the material as the material passes through the needle ports, the method further comprising producing multi-lumen fibers by passing the material through needle ports having dividers. 
     
     
         922 . The method of  claim 905 , further comprising coupling the fiber producing device to a driver. 
     
     
         923 . The method of  claim 922 , wherein the driver is positioned above the fiber producing device. 
     
     
         924 . The method of  claim 905 , further comprising heating the fiber producing device. 
     
     
         925 . The method of  claim 905 , further comprising placing the fiber producing device in a chamber and controlling the environment inside the chamber. 
     
     
         926 . The method of  claim 905 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         927 . The method of  claim 926 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         928 . The method of  claim 927 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         929 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a collection system at least partially surrounding the fiber producing device, wherein the collection system collects fibers produced by the fiber producing device during use;   a diversion system positionable to inhibit at least a portion of the fibers produced by the fiber producing device from reaching the collection system during use,   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers that are at least partially collected on the collection system.   
     
     
         930 . The system of  claim 929 , wherein the collection system comprises one or more collecting elements coupled to a collection element substrate, wherein the collection elements are positioned surrounding at least a portion of the fiber producing device. 
     
     
         931 . The system of  claim 930 , wherein one or more collection elements comprise a projection. 
     
     
         932 . The system of  claim 929 , wherein the diversion system allows removal of fibers collected in the collection system while fibers are being produced by the fiber producing system. 
     
     
         933 . The system of  claim 929 , wherein the diversion system comprises a barrier positionable between the fiber producing device and the collection system during use. 
     
     
         934 . The system of  claim 929 , wherein the diversion system comprises a vacuum system positionable proximate to the fiber producing device, wherein the vacuum system is operable to divert at least a portion of the fibers produced by the fiber producing device during use away from the collection system. 
     
     
         935 . The system of  claim 929 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         936 . The system of  claim 935 , wherein the outlet elements are removably couplable to the body. 
     
     
         937 . The system of  claim 935 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         938 . The system of  claim 929 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         939 . The system of  claim 929 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         940 . The system of  claim 929 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         941 . The system of  claim 929 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         942 . The system of  claim 929 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         943 . The system of  claim 929 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         944 . The system of  claim 929 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         945 . The system of  claim 929 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         946 . The system of  claim 929 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         947 . The system of  claim 946 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         948 . The system of  claim 946 , wherein the heating device comprises an infrared radiant heater. 
     
     
         949 . The system of  claim 929 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         950 . The system of  claim 929 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         951 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   positioning a collection system around at least a portion of the fiber producing device;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers;   collecting at least a portion of the produced microfibers and/or nanofibers in the collection system;   positioning a diversion system proximate to the fiber producing device such that at least a portion of the fibers produced by the fiber producing device are inhibited from reaching the collection system;   removing at least a portion of the collected fibers from the collection system.   
     
     
         952 . The method of  claim 951 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         953 . The method of  claim 951 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         954 . The method of  claim 951 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         955 . The method of  claim 951 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         956 . The method of  claim 951 , wherein the collection system comprises one or more collecting elements coupled to a collection element substrate, wherein at least a portion of the produced microfibers and/or nanofibers are collected on the collecting elements. 
     
     
         957 . The method of  claim 956 , wherein one or more collection elements comprise a projection. 
     
     
         958 . The method of  claim 951 , wherein the diversion system comprises a barrier positionable between the fiber producing device and the collection system during use. 
     
     
         959 . The method of  claim 951 , wherein the diversion system comprises a vacuum system positionable proximate to the fiber producing device, wherein the method further comprises operating the vacuum system to divert at least a portion of the fibers produced by the fiber producing device during use away from the collection system. 
     
     
         960 . The method of  claim 951 , further comprising:
 collecting fibers captured by the diversion system;   blending the fibers captured by the diversion system with additional material; and   adding the blended material to the fiber producing device.   
     
     
         961 . The method of  claim 951 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         962 . The method of  claim 961 , wherein the outlet elements are removably couplable to the body. 
     
     
         963 . The method of  claim 961 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         964 . The method of  claim 951 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         965 . The method of  claim 951 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         966 . The method of  claim 951 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         967 . The method of  claim 951 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         968 . The method of  claim 951 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         969 . The method of  claim 951 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         970 . The method of  claim 951 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         971 . The method of  claim 951 , further comprising coupling the fiber producing device to a driver. 
     
     
         972 . The method of  claim 971 , wherein the driver is positioned above the fiber producing device. 
     
     
         973 . The method of  claim 951 , further comprising heating the fiber producing device. 
     
     
         974 . The method of  claim 951 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         975 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a purge system couplable to the fiber producing device, wherein the purge system is couplable to the body, and wherein the purge system provides an at least partial seal between the purge system and the body such that a gas may be directed into the body, through the purge system, to create a pressurized gas inside of the body during use;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers.   
     
     
         976 . The system of  claim 975 , wherein the body comprises an opening through which material is placed into the body, and wherein the purge system is couplable to the body at the opening. 
     
     
         977 . The system of  claim 975 , wherein the pressurized gas created in the body using the purge system is at a pressure sufficient to force material out of one or more of the openings. 
     
     
         978 . The system of  claim 975 , wherein the purge system comprises a sealing member couplable to the body, a pressurized gas source, and a conduit coupling the pressurized as source to the sealing member. 
     
     
         979 . The system of  claim 975 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         980 . The system of  claim 979 , wherein the outlet elements are removably couplable to the body. 
     
     
         981 . The system of  claim 979 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         982 . The system of  claim 975 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         983 . The system of  claim 975 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         984 . The system of  claim 975 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         985 . The system of  claim 975 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         986 . The system of  claim 975 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         987 . The system of  claim 975 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         988 . The system of  claim 975 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         989 . The system of  claim 975 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         990 . The system of  claim 975 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         991 . The system of  claim 990 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         992 . The system of  claim 990 , wherein the heating device comprises an infrared radiant heater. 
     
     
         993 . The system of  claim 975 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         994 . The system of  claim 975 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         995 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers;   coupling a purge system to the body of the fiber producing device;   directing gas into the body through the purge system to produce pressurized gas in the body, wherein the pressurized gas forces at least a portion of material out of one or more of the openings.   
     
     
         996 . The method of  claim 995 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         997 . The method of  claim 995 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         998 . The method of  claim 995 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         999 . The method of  claim 995 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         1000 . The method of  claim 995 , wherein the body comprises a material transfer opening through which material is placed into the body, and wherein the purge system is couplable to the body at the material transfer opening. 
     
     
         1001 . The method of  claim 995 , wherein the purge system comprises a sealing member couplable to the body, a pressurized gas source, and a conduit coupling the pressurized as source to the sealing member. 
     
     
         1002 . The method of  claim 995 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         1003 . The method of  claim 1002 , wherein the outlet elements are removably couplable to the body. 
     
     
         1004 . The method of  claim 1002 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1005 . The method of  claim 995 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1006 . The method of  claim 995 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1007 . The method of  claim 995 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1008 . The method of  claim 995 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1009 . The method of  claim 995 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1010 . The method of  claim 995 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1011 . The method of  claim 995 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1012 . The method of  claim 995 , further comprising coupling the fiber producing device to a driver. 
     
     
         1013 . The method of  claim 1012 , wherein the driver is positioned above the fiber producing device. 
     
     
         1014 . The method of  claim 995 , further comprising heating the fiber producing device. 
     
     
         1015 . The method of  claim 995 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         1016 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and   one or more outlet elements coupled to one or more of the openings, wherein the one or more outlet elements comprise an outer conduit and an inner conduit, wherein the inner conduit is sized and positioned inside of the outer conduit such that material flows through the inner conduit and the outer conduit during use;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through the inner conduit and outer conduit of the outlet elements to produce coaxial microfibers and/or nanofibers.   
     
     
         1017 . The device of  claim 1016 , wherein the outlet elements are removably couplable to the body. 
     
     
         1018 . The device of  claim 1016 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet element in a predetermined orientation with respect to the body. 
     
     
         1019 . The device of  claim 1016 , further comprising one or more outlet conduits coupling one or more of the outlet elements to one or more openings. 
     
     
         1020 . The device of  claim 1019 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         1021 . The device of  claim 1016 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1022 . The device of  claim 1016 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1023 . The device of  claim 1016 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1024 . The device of  claim 1016 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1025 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more outlet elements coupled to one or more of the openings, wherein the one or more outlet elements comprise an outer conduit and an inner conduit, wherein the inner conduit is sized and positioned inside of the outer conduit such that material flows through the inner conduit and the outer conduit during use; and 
   a driver capable of rotating the fiber producing device, wherein the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be ejected through the inner conduit and outer conduit of the outlet elements to produce coaxial microfibers and/or nanofibers.   
     
     
         1026 . The system of  claim 1025 , wherein the outlet elements are removably couplable to the body. 
     
     
         1027 . The system of  claim 1025 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1028 . The system of  claim 1025 , further comprising one or more outlet conduits coupling one or more of the outlet elements to one or more openings. 
     
     
         1029 . The system of  claim 1028 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         1030 . The system of  claim 1025 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1031 . The system of  claim 1025 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1032 . The system of  claim 1025 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1033 . The system of  claim 1025 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1034 . The system of  claim 1025 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         1035 . The system of  claim 1025 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         1036 . The system of  claim 1035 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         1037 . The system of  claim 1035 , wherein the heating device comprises an infrared radiant heater. 
     
     
         1038 . The system of  claim 1025 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         1039 . The system of  claim 1025 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         1040 . The system of  claim 1025 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         1041 . The system of  claim 1040 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         1042 . The system of  claim 1041 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         1043 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and 
 one or more outlet elements coupled to one or more of the openings, wherein the one or more outlet elements comprise an outer conduit and an inner conduit, wherein the inner conduit is sized and positioned inside of the outer conduit such that material flows through the inner conduit and the outer conduit during use; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through the inner conduit and outer conduit of the outlet elements to produce coaxial microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         1044 . The method of  claim 1043 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         1045 . The method of  claim 1043 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         1046 . The method of  claim 1043 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         1047 . The method of  claim 1043 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         1048 . The method of  claim 1043 , wherein a first material is passed through the inner conduit and a second material, different from the first material, is passed through the outer conduit. 
     
     
         1049 . The method of  claim 1043 , wherein the outlet elements are removably couplable to the body. 
     
     
         1050 . The method of  claim 1043 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1051 . The method of  claim 1043 , further comprising one or more outlet conduits coupling one or more of the outlet elements to one or more openings. 
     
     
         1052 . The method of  claim 1051 , wherein one or more outlet conduits have a length of at least about 10 mm. 
     
     
         1053 . The method of  claim 1043 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1054 . The method of  claim 1043 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1055 . The method of  claim 1043 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1056 . The method of  claim 1043 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1057 . The method of  claim 1043 , further comprising coupling the fiber producing device to a driver. 
     
     
         1058 . The method of  claim 1057 , wherein the driver is positioned above the fiber producing device. 
     
     
         1059 . The method of  claim 1043 , further comprising heating the fiber producing device. 
     
     
         1060 . The method of  claim 1043 , further comprising placing the fiber producing device in a chamber and controlling the environment inside the chamber. 
     
     
         1061 . The method of  claim 1043 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         1062 . The method of  claim 1061 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         1063 . The method of  claim 1062 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         1064 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member, and wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers.   
     
     
         1065 . The system of  claim 1064 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         1066 . The system of  claim 1064 , wherein the coupling member of the body comprises an elongated member, and wherein the driver comprises a coupling element that couples the elongated coupling member to the driver, and wherein the elongated coupling member is adjustably positionable in the coupling element such that the distance between the fiber producing device and the driver is alterable. 
     
     
         1067 . The system of  claim 1065 , wherein the outlet elements are removably couplable to the body. 
     
     
         1068 . The system of  claim 1065 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1069 . The system of  claim 1064 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1070 . The system of  claim 1064 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1071 . The system of  claim 1064 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1072 . The system of  claim 1064 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1073 . The system of  claim 1064 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1074 . The system of  claim 1064 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1075 . The system of  claim 1064 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1076 . The system of  claim 1064 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         1077 . The system of  claim 1076 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         1078 . The system of  claim 1076 , wherein the heating device comprises an infrared radiant heater. 
     
     
         1079 . The system of  claim 1064 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         1080 . The system of  claim 1064 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         1081 . The system of  claim 1064 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         1082 . The system of  claim 1081 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         1083 . The system of  claim 1082 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         1084 . The system of  claim 1064 , further comprising a substrate support that positions at least a portion of a substrate below the fiber producing device such that microfibers and/or nanofibers produced by the fiber producing device fall onto the substrate during use. 
     
     
         1085 . The system of  claim 1084 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum. 
     
     
         1086 . The system of  claim 1084 , further comprising a substrate transfer system that moves at least a portion of a substrate over the substrate support during use. 
     
     
         1087 . The system of  claim 1084 , wherein the substrate support comprises an electrostatic plate. 
     
     
         1088 . The system of  claim 1084 , further comprising a pressurized gas producing and distribution system, wherein the pressurized gas producing and distribution system creates a gas flow that directs the formed microfibers and/or nanofibers toward a substrate disposed in the substrate support during use. 
     
     
         1089 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber, coupling the fiber producing device to a driver, wherein the driver is positioned above the fiber producing device; and   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         1090 . The method of  claim 1089 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         1091 . The method of  claim 1089 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         1092 . The method of  claim 1089 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         1093 . The method of  claim 1089 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         1094 . The method of  claim 1089 , wherein the coupling member of the body comprises an elongated member, and wherein the driver comprises a coupling element that couples the elongated coupling member to the driver, and wherein the elongated coupling member is adjustably positionable in the coupling element such that the distance between the fiber producing device and the driver is alterable. 
     
     
         1095 . The method of  claim 1089 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         1096 . The method of  claim 1094 , wherein the outlet elements are removably couplable to the body. 
     
     
         1097 . The method of  claim 1094 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1098 . The method of  claim 1089 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1099 . The method of  claim 1089 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1100 . The method of  claim 1089 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1101 . The method of  claim 1089 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1102 . The method of  claim 1089 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1103 . The method of  claim 1089 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1104 . The method of  claim 1089 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1105 . The method of  claim 1089 , further comprising heating the fiber producing device. 
     
     
         1106 . The method of  claim 1089 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         1107 . The method of  claim 1089 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         1108 . The method of  claim 1107 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         1109 . The method of  claim 1108 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         1110 . The method of  claim 1108 , further comprising positioning at least a portion of a substrate on a substrate support located below the fiber producing device; and producing microfibers and/or nanofibers with the fiber producing device such that the microfibers and/or nanofibers are deposited onto at least a portion of the substrate. 
     
     
         1111 . The method of  claim 1110 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum, and wherein the method further comprises applying a vacuum to the substrate support. 
     
     
         1112 . The method of  claim 1110 , further comprising activating a substrate transfer system to move at least a portion of a substrate over the substrate support. 
     
     
         1113 . The method of  claim 1110 , wherein the substrate support comprises an electrostatic plate. 
     
     
         1114 . The method of  claim 1110 , further comprising activating a pressurized gas producing and distribution system, wherein the pressurized gas producing and distribution system creates a gas flow that directs the formed microfibers and/or nanofibers toward a substrate disposed in the substrate support. 
     
     
         1115 . A microfiber and/or nanofiber producing system comprising:
 two or more fiber producing devices, each fiber producing device comprising a body, the body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber; and   one or more drivers capable of rotating one or more bodies, wherein one or more bodies are couplable to the driver through the coupling member, and wherein the one or more drivers are positioned above the one or more fiber producing devices, when one or more fiber producing devices are coupled to the one or more drivers;   wherein, during use, rotation of the body of one or more fiber producing devices coupled to one or more drivers causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers.   
     
     
         1116 . The system of  claim 1115 , wherein the coupling member of the body of one or more fiber producing devices comprises an elongated member, and wherein one or more drivers comprise a coupling element that couples the elongated coupling member to the driver, and wherein the elongated coupling member is adjustably positionable in the coupling element such that the distance between the fiber producing device and the driver is alterable. 
     
     
         1117 . The system of  claim 1115 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         1118 . The system of  claim 1116 , wherein the outlet elements are removably couplable to the body. 
     
     
         1119 . The system of  claim 1116 , wherein the body of one or more fiber producing devices comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1120 . The system of  claim 1115 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1121 . The system of  claim 1115 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1122 . The system of  claim 1115 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1123 . The system of  claim 1115 , wherein the body of one or more fiber producing devices comprise one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1124 . The system of  claim 1115 , wherein the body of one or more fiber producing devices comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1125 . The system of  claim 1115 , wherein the body of one or more fiber producing devices comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1126 . The system of  claim 1115 , wherein the body of one or more fiber producing devices comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1127 . The system of  claim 1115 , further comprising a heating device thermally coupled to one or more fiber producing devices. 
     
     
         1128 . The system of  claim 1127 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         1129 . The system of  claim 1127 , wherein the heating device comprises an infrared radiant heater. 
     
     
         1130 . The system of  claim 1115 , wherein the two or more fiber producing devices are enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         1131 . The system of  claim 1115 , wherein one or more drivers are capable of rotating one or more fiber producing devices at speeds of greater than about 1000 rpm. 
     
     
         1132 . The system of  claim 1115 , further comprising a collection system surrounding the one or more fiber producing devices, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         1133 . The system of  claim 1115 , further comprising a substrate support that positions at least a portion of a substrate below the fiber producing device such that microfibers and/or nanofibers produced by the fiber producing device fall onto the substrate during use. 
     
     
         1134 . The system of  claim 1133 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum. 
     
     
         1135 . The system of  claim 1133 , further comprising a substrate transfer system that moves at least a portion of a substrate over the substrate support during use. 
     
     
         1136 . The system of  claim 1133 , wherein the substrate support comprises an electrostatic plate. 
     
     
         1137 . The system of  claim 1133 , further comprising a pressurized gas producing and distribution system, wherein the pressurized gas producing and distribution system creates a gas flow that directs the formed microfibers and/or nanofibers toward a substrate disposed in the substrate support during use. 
     
     
         1138 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in two or more fiber producing devices, the fiber producing devices comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber,   coupling two or more fiber producing devices to one or more drivers, wherein the one or more drivers are positioned above two or more fiber producing devices; and   rotating one or more fiber producing devices at a speed of at least about 1000 rpm, wherein rotation of one or more fiber producing devices causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         1139 . The method of  claim 1138 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         1140 . The method of  claim 1138 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         1141 . The method of  claim 1138 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         1142 . The method of  claim 1138 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in one or more fiber producing devices. 
     
     
         1143 . The method of  claim 1138 , wherein the coupling member of the body of one or more fiber producing devices comprises an elongated member, and wherein one or more drivers comprise a coupling element that couples the elongated coupling member to the driver, and wherein the elongated coupling member is adjustably positionable in the coupling element such that the distance between the fiber producing device and the driver is alterable. 
     
     
         1144 . The method of  claim 1138 , wherein one or more fiber producing devices further comprise one or more outlet elements coupled to one or more of the openings. 
     
     
         1145 . The method of  claim 1143 , wherein the outlet elements are removably couplable to the body. 
     
     
         1146 . The method of  claim 1143 , wherein the body of one or more fiber producing devices comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1147 . The method of  claim 1138 , wherein one or more fiber producing devices further comprise one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1148 . The method of  claim 1138 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1149 . The method of  claim 1138 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1150 . The method of  claim 1138 , wherein the body of one or more fiber producing devices comprise one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1151 . The method of  claim 1138 , wherein the body of one or more fiber producing devices comprise one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1152 . The method of  claim 1138 , wherein the body of one or more fiber producing devices comprise one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1153 . The method of  claim 1138 , wherein the body of one or more fiber producing devices comprise one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1154 . The method of  claim 1138 , further comprising heating one or more fiber producing devices. 
     
     
         1155 . The method of  claim 1138 , further comprising placing the two or more fiber producing devices in a chamber, and controlling the environment inside the chamber. 
     
     
         1156 . The method of  claim 1138 , further comprising collecting fibers on a collection system at least partially surrounding the two or more fiber producing devices. 
     
     
         1157 . The method of  claim 1156 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the two or more fiber producing devices. 
     
     
         1158 . The method of  claim 1157 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         1159 . The method of  claim 1157 , further comprising positioning at least a portion of a substrate on a substrate support located below the fiber producing device; and producing microfibers and/or nanofibers with the fiber producing device such that the microfibers and/or nanofibers are deposited onto at least a portion of the substrate. 
     
     
         1160 . The method of  claim 1159 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum, and wherein the method further comprises applying a vacuum to the substrate support. 
     
     
         1161 . The method of  claim 1159 , further comprising activating a substrate transfer system to move at least a portion of a substrate over the substrate support. 
     
     
         1162 . The method of  claim 1159 , wherein the substrate support comprises an electrostatic plate. 
     
     
         1163 . The method of  claim 1159 , further comprising activating a pressurized gas producing and distribution system, wherein the pressurized gas producing and distribution system creates a gas flow that directs the formed microfibers and/or nanofibers toward a substrate disposed in the substrate support. 
     
     
         1164 . A device for use in a microfiber and/or nanofiber producing system, the device comprising:
 a body comprising a first member and a second member, the first member comprising a first member coupling surface, the first member coupling surface comprising one or more grooves extending along the width of the first member coupling surface, the second member comprising a second member coupling surface and a coupling member, the second member coupling surface comprising one or more grooves extending along the width of the second member coupling surface, wherein the body is couplable to a driver through the coupling member;   wherein the first member coupling surface is coupled to the second member coupling surface to form the body, wherein the first member and the second member together define an internal cavity of the body; and   wherein one or more grooves of the first member coupling member are substantially aligned with one or more grooves of the second member coupling member to form one or more openings extending from the interior cavity to an outer surface of the body;   wherein, during use, rotation of the body causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers.   
     
     
         1165 . The device of  claim 1164 , further comprising:
 a third member comprising a third member coupling surface, the third member coupling surface comprising one or more grooves extending along the width of the third member coupling surface, the second member comprising an additional coupling surface comprising one or more grooves extending along the width of the second member coupling surface, wherein the body is couplable to a driver through the coupling member;   wherein the third member coupling surface is coupled to the additional coupling surface of the second member to form a portion of the body, wherein the first member, the second member, and the third member together define an internal cavity of the body; and   wherein one or more grooves of the third member coupling surface are substantially aligned with one or more grooves of the additional coupling surface of second member to form one or more openings extending from the interior cavity to an outer surface of the body.   
     
     
         1166 . The device of  claim 1164 , wherein the body is cylindrical. 
     
     
         1167 . The device of  claim 1164 , wherein the first member comprises a first member opening, wherein material is added to the internal cavity through the first member opening. 
     
     
         1168 . The device of  claim 1164 , wherein the first member is ring shaped, wherein material is added to the internal cavity through a central opening of the ring shaped first member. 
     
     
         1169 . The device of  claim 1164 , wherein the first member is secured to the second member using one or more fasteners. 
     
     
         1170 . The device of  claim 1169 , wherein a pattern of fibers produced byte fiber producing device is altered based on the positions of one or more fasteners. 
     
     
         1171 . The device of  claim 1164 , wherein the first member coupling surface contacts the second member coupling surface when the first member is coupled to the second member. 
     
     
         1172 . The device of  claim 1164 , wherein an interior surface of a sidewall of the internal cavity is angled from a bottom wall toward one or more of the openings. 
     
     
         1173 . The device of  claim 1164 , wherein an interior surface of a sidewall of the internal cavity is rounded from a bottom wall toward one or more of the openings. 
     
     
         1174 . The device of  claim 1164 , further comprising a first alignment element disposed on the first coupling surface and a second alignment element disposed on the second coupling surface, wherein the first alignment element couples with the second alignment element when the first member is properly aligned with the second member. 
     
     
         1175 . The device of  claim 1174 , wherein one of the first or second alignment elements comprises a projection extending form the coupling surface, and wherein the other of the first or second alignment elements comprises an indentation complementary to the projection. 
     
     
         1176 . The device of  claim 1164 , wherein the coupling member extends through the internal cavity and through the first member. 
     
     
         1177 . The device of  claim 1164 , wherein the coupling member is coupled to an outer surface of the second member, extending away from the second member. 
     
     
         1178 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising:
 a body comprising a first member and a second member, the first member comprising a first member coupling surface, the first member coupling surface comprising one or more grooves extending along the width of the first member coupling surface, the second member comprising a second member coupling surface and a coupling member, the second member coupling surface comprising one or more grooves extending along the width of the second member coupling surface; 
 wherein the first member coupling surface is coupled to the second member coupling surface to form the body, wherein the first member and the second member together define an internal cavity of the body; and 
 wherein one or more grooves of the first member coupling member are substantially aligned with one or more grooves of the second member coupling member to form one or more openings extending from the interior cavity to an outer surface of the body; 
   a driver capable of rotating the fiber producing device, wherein the body of the fiber producing device is couplable to the driver through the coupling member; and   wherein, during use, rotation of the body causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers.   
     
     
         1179 . The system of  claim 1178 , wherein the body is cylindrical. 
     
     
         1180 . The system of  claim 1178 , wherein the first member comprises a first member opening, wherein material is added to the internal cavity through the first member opening. 
     
     
         1181 . The system of  claim 1178 , wherein the first member is ring shaped, wherein material is added to the internal cavity through a central opening of the ring shaped first member. 
     
     
         1182 . The system of  claim 1178 , wherein the first member is secured to the second member using one or more fasteners. 
     
     
         1183 . The system of  claim 1182 , wherein a pattern of fibers produced byte fiber producing device is altered based on the positions of one or more fasteners. 
     
     
         1184 . The system of  claim 1178 , wherein the first member coupling surface contacts the second member coupling surface when the first member is coupled to the second member. 
     
     
         1185 . The system of  claim 1178 , wherein an interior surface of a sidewall of the internal cavity is angled from a bottom wall toward one or more of the openings. 
     
     
         1186 . The system of  claim 1178 , wherein an interior surface of a sidewall of the internal cavity is rounded from a bottom wall toward one or more of the openings. 
     
     
         1187 . The system of  claim 1178 , further comprising a first alignment element disposed on the first coupling surface and a second alignment element disposed on the second coupling surface, wherein the first alignment element couples with the second alignment element when the first member is properly aligned with the second member. 
     
     
         1188 . The system of  claim 1187 , wherein one of the first or second alignment elements comprises a projection extending form the coupling surface, and wherein the other of the first or second alignment elements comprises an indentation complementary to the projection. 
     
     
         1189 . The system of  claim 1178 , wherein the coupling member extends through the internal cavity and through the first member. 
     
     
         1190 . The system of  claim 1178 , wherein the coupling member is coupled to an outer surface of the second member, extending away from the second member. 
     
     
         1191 . The system of  claim 1178 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         1192 . The system of  claim 1178 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         1193 . The system of  claim 1192 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         1194 . The system of  claim 1192 , wherein the heating device comprises an infrared radiant heater. 
     
     
         1195 . The system of  claim 1178 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         1196 . The system of  claim 1178 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         1197 . The system of  claim 1178 , further comprising a collection system surrounding at least a portion of the fiber producing device, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         1198 . The system of  claim 1197 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         1199 . The system of  claim 1198 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         1200 . The system of  claim 1178 , wherein one or more drivers are capable of rotating one or more fiber producing devices at speeds of greater than about 1000 rpm. 
     
     
         1201 . The system of  claim 1200 , further comprising a collection system surrounding the one or more fiber producing devices, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         1202 . The system of  claim 1200 , further comprising a substrate support that positions at least a portion of a substrate below the fiber producing device such that microfibers and/or nanofibers produced by the fiber producing device fall onto the substrate during use. 
     
     
         1203 . The system of  claim 1200 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum. 
     
     
         1204 . The system of  claim 1200 , further comprising a substrate transfer system that moves at least a portion of a substrate over the substrate support during use. 
     
     
         1205 . The system of  claim 1200 , wherein the substrate support comprises an electrostatic plate. 
     
     
         1206 . The system of  claim 1200 , further comprising a pressurized gas producing and distribution system, wherein the pressurized gas producing and distribution system creates a gas flow that directs the formed microfibers and/or nanofibers toward a substrate disposed in the substrate support during use. 
     
     
         1207 . A method of producing microfibers and/or nanofibers, comprising:
 placing material in a fiber producing device, the fiber producing device comprising:
 a body comprising a first member and a second member, the first member comprising a first member coupling surface, the first member coupling surface comprising one or more grooves extending along the width of the first member coupling surface, the second member comprising a second member coupling surface and a coupling member, the second member coupling surface comprising one or more grooves extending along the width of the second member coupling surface; 
 wherein the first member coupling surface is coupled to the second member coupling surface to form the body, wherein the first member and the second member together define an internal cavity of the body; and 
 wherein one or more grooves of the first member coupling member are substantially aligned with one or more grooves of the second member coupling member to form one or more openings extending from the interior cavity to an outer surface of the body; 
   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting at least a portion of the produced microfibers and/or nanofibers.   
     
     
         1208 . The method of  claim 1207 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         1209 . The method of  claim 1207 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         1210 . The method of  claim 1207 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         1211 . The method of  claim 1207 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         1212 . The method of  claim 1207 , further comprising a sealing ring positioned between one or more of the outlet elements and the body. 
     
     
         1213 . The method of  claim 1207 , wherein the body is cylindrical. 
     
     
         1214 . The method of  claim 1207 , wherein the first member comprises a first member opening, wherein placing material in the fiber producing device comprises placing material into the internal cavity through the first member opening. 
     
     
         1215 . The method of  claim 1207 , wherein the first member is ring shaped, and wherein placing material in the fiber producing device comprises placing material into the internal cavity through a central opening of the ring shaped first member. 
     
     
         1216 . The method of  claim 1207 , wherein the first member is secured to the second member using one or more fasteners. 
     
     
         1217 . The method of  claim 1216 , further comprising altering a pattern of fibers produced byte fiber producing device by changing the position of one or more fasteners. 
     
     
         1218 . The method of  claim 1207 , wherein the first member coupling surface contacts the second member coupling surface when the first member is coupled to the second member. 
     
     
         1219 . The method of  claim 1207 , wherein an interior surface of a sidewall of the internal cavity is angled from a bottom wall toward one or more of the openings. 
     
     
         1220 . The method of  claim 1207 , wherein an interior surface of a sidewall of the internal cavity is rounded from a bottom wall toward one or more of the openings. 
     
     
         1221 . The method of  claim 1207 , wherein the body further comprises a first alignment element disposed on the first coupling surface and a second alignment element disposed on the second coupling surface, wherein the first alignment element couples with the second alignment element when the first member is properly aligned with the second member. 
     
     
         1222 . The method of  claim 1221 , wherein one of the first or second alignment elements comprises a projection extending form the coupling surface, and wherein the other of the first or second alignment elements comprises an indentation complementary to the projection. 
     
     
         1223 . The method of  claim 1207 , wherein the coupling member extends through the internal cavity and through the first member. 
     
     
         1224 . The method of  claim 1207 , wherein the coupling member is coupled to an outer surface of the second member, extending away from the second member. 
     
     
         1225 . The method of  claim 1207 , wherein the driver is positioned above the fiber producing device. 
     
     
         1226 . The method of  claim 1207 , further comprising heating the fiber producing device. 
     
     
         1227 . The method of  claim 1207 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         1228 . The method of  claim 1207 , further comprising collecting fibers on a collection system surrounding at least a portion of the fiber producing device. 
     
     
         1229 . The method of  claim 1228 , wherein the collection system comprises one or more collection elements coupled to a collection substrate, wherein the one or more collection elements at least partially surround the fiber producing device. 
     
     
         1230 . The method of  claim 1229 , wherein the collection elements comprise a projection extending from the collection substrate surface. 
     
     
         1231 . The method of  claim 1207 , further comprising positioning at least a portion of a substrate on a substrate support located below the fiber producing device; and producing microfibers and/or nanofibers with the fiber producing device such that the microfibers and/or nanofibers are deposited onto at least a portion of the substrate. 
     
     
         1232 . The method of  claim 1231 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum, and wherein the method further comprises applying a vacuum to the substrate support. 
     
     
         1233 . The method of  claim 1231 , further comprising activating a substrate transfer system to move at least a portion of a substrate over the substrate support. 
     
     
         1234 . The method of  claim 1231 , wherein the substrate support comprises an electrostatic plate. 
     
     
         1235 . The method of  claim 1231 , further comprising activating a pressurized gas producing and distribution system, wherein the pressurized gas producing and distribution system creates a gas flow that directs the formed microfibers and/or nanofibers toward a substrate disposed in the substrate support. 
     
     
         1236 . A method of making a device for use in a microfiber and/or nanofiber producing system, the method comprising:
 obtaining a first member, the first member comprising a first member coupling surface, the first member coupling surface comprising one or more grooves extending along the width of the first member coupling surface;   obtaining a second member, the second member comprising a second member coupling surface and a coupling member, the second member coupling surface comprising one or more grooves extending along the width of the second member coupling surface;   coupling the first member coupling surface to the second member coupling surface to form a body, wherein the first member and the second member together define an internal cavity of the body; and   wherein one or more grooves of the first member coupling member are substantially aligned with one or more grooves of the second member coupling member to form one or more openings extending from the interior cavity to an outer surface of the body;   
       wherein, during use, rotation of the body causes material in the body to be passed through one or more openings to produce microfibers and/or nanofibers. 
     
     
         1237 . The method of  claim 1236 , wherein the body is cylindrical. 
     
     
         1238 . The method of  claim 1236 , wherein the first member comprises a first member opening, wherein material is added to the internal cavity through the first member opening. 
     
     
         1239 . The method of  claim 1236 , wherein the first member is ring shaped, wherein material is added to the internal cavity through a central opening of the ring shaped first member. 
     
     
         1240 . The method of  claim 1236 , further comprising securing the first member to the second member using one or more fasteners. 
     
     
         1241 . The method of  claim 1240 , further comprising altering the position of one or more fasteners, wherein a pattern of fibers produced by the fiber producing device is altered based on the positions of one or more fasteners. 
     
     
         1242 . The method of  claim 1236 , wherein the first member coupling surface contacts the second member coupling surface when the first member is coupled to the second member. 
     
     
         1243 . The method of  claim 1236 , wherein an interior surface of a sidewall of the internal cavity is angled from a bottom wall toward one or more of the openings. 
     
     
         1244 . The method of  claim 1236 , wherein an interior surface of a sidewall of the internal cavity is rounded from a bottom wall toward one or more of the openings. 
     
     
         1245 . The method of  claim 1236 , further comprising a first alignment element disposed on the first coupling surface and a second alignment element disposed on the second coupling surface, wherein the method further comprises coupling the first alignment element with the second alignment element to align the first member with the second member. 
     
     
         1246 . The method of  claim 1245 , wherein one of the first or second alignment elements comprises a projection extending form the coupling surface, and wherein the other of the first or second alignment elements comprises an indentation complementary to the projection. 
     
     
         1247 . The method of  claim 1236 , wherein the coupling member extends through the internal cavity and through the first member. 
     
     
         1248 . The method of  claim 1236 , wherein the coupling member is coupled to an outer surface of the second member, extending away from the second member. 
     
     
         1249 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a material delivery system, wherein the material delivery system delivers material to the fiber producing device while the fiber producing device is being rotated;   wherein, during use, rotation of the fiber producing device coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers.   
     
     
         1250 . The system of  claim 1249 , wherein the material delivery system comprises a material storage container and an extruder, wherein solid material is stored in the material storage container and transferred to the extruder, and wherein the solid material is melted in the extruder. 
     
     
         1251 . The system of  claim 1249 , wherein the material delivery system comprises a material storage container, wherein solid material is stored in the material storage container and transferred to the fiber producing device during use, and wherein the system further comprises a heating device thermally coupled to the fiber producing device, wherein the heating device heats the fiber producing device to a temperature sufficient to at least partially melt the solid material transferred to the fiber producing device from the material delivery system. 
     
     
         1252 . The system of  claim 1249 , wherein the material delivery system comprises a material storage container and a pump, wherein a mixture of material in a liquid is stored in the storage container, and wherein the mixture of material in a liquid is transferred to the fiber producing device using a pump coupled to the storage container and the fiber producing device. 
     
     
         1253 . The system of  claim 1252 , wherein the mixture of material in a liquid comprises a solution of the material in a solvent. 
     
     
         1254 . The system of  claim 1249 , wherein the material delivery system substantially continuously delivers material to the fiber producing device while the fiber producing device is rotating. 
     
     
         1255 . The system of  claim 1249 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         1256 . The system of  claim 1256 , wherein the outlet elements are removably couplable to the body. 
     
     
         1257 . The system of  claim 1256 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1258 . The system of  claim 1249 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1259 . The system of  claim 1249 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1260 . The system of  claim 1249 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1261 . The system of  claim 1249 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1262 . The system of  claim 1249 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1263 . The system of  claim 1249 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1264 . The system of  claim 1249 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1265 . The system of  claim 1249 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         1266 . The system of  claim 1249 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         1267 . The system of  claim 1266 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         1268 . The system of  claim 1266 , wherein the heating device comprises an infrared radiant heater. 
     
     
         1269 . The system of  claim 1249 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         1270 . The system of  claim 1249 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         1271 . The system of  claim 1249 , further comprising a collection system surrounding the one or more fiber producing devices, wherein fibers produced during use are at least partially collected on the collection system. 
     
     
         1272 . The system of  claim 1249 , further comprising a substrate support that positions at least a portion of a substrate below the fiber producing device such that microfibers and/or nanofibers produced by the fiber producing device fall onto the substrate during use. 
     
     
         1273 . The system of  claim 1272 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum. 
     
     
         1274 . The system of  claim 1272 , further comprising a substrate transfer system that moves at least a portion of a substrate over the substrate support during use. 
     
     
         1275 . The system of  claim 1272 , wherein the substrate support comprises an electrostatic plate. 
     
     
         1276 . The system of  claim 1272 , further comprising a pressurized gas producing and distribution system, wherein the pressurized gas producing and distribution system creates a gas flow that directs the formed microfibers and/or nanofibers toward a substrate disposed in the substrate support during use. 
     
     
         1277 . A method of producing microfibers and/or nanofibers, comprising:
 transferring material from a material delivery system into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers; and   collecting the produced microfibers and/or nanofibers.   
     
     
         1278 . The method of  claim 1277 , wherein the material is substantially continuously transferred to the fiber producing device while the fiber producing device is being rotated. 
     
     
         1279 . The method of  claim 1277 , wherein the material delivery system comprises a material storage container and an extruder, wherein transferring material from a material delivery system into a fiber producing device comprises transferring solid material stored in the storage container to the extruder, and melting the solid material in the extruder. 
     
     
         1280 . The method of  claim 1279 , further comprising:
 heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material from the extruder into the heated fiber producing device.   
     
     
         1281 . The method of  claim 1277 , wherein the material delivery system comprises a material storage container, the method further comprising:
 transferring solid material from the material delivery system into the fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         1282 . The method of  claim 1277 , wherein the material delivery system comprises a material storage container and a pump, wherein transferring material from a material delivery system into a fiber producing device comprises transferring a mixture of material in a liquid stored in the storage container to the fiber producing device using a pump coupled to the storage container and the fiber producing device. 
     
     
         1283 . The method of  claim 1282 , wherein the mixture of material in a liquid comprises a solution of the material in a solvent. 
     
     
         1284 . The method of  claim 1277 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         1285 . The method of  claim 1277 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         1286 . The method of  claim 1277 , wherein the outlet elements are removably couplable to the body. 
     
     
         1287 . The method of  claim 1277 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1288 . The method of  claim 1277 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1289 . The method of  claim 1277 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1290 . The method of  claim 1277 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1291 . The method of  claim 1277 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1292 . The method of  claim 1277 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1293 . The method of  claim 1277 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1294 . The method of  claim 1277 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1295 . The method of  claim 1277 , further comprising coupling the fiber producing device to a driver. 
     
     
         1296 . The method of  claim 1277 , wherein the driver is positioned above the fiber producing device. 
     
     
         1297 . The method of  claim 1277 , further comprising heating the fiber producing device. 
     
     
         1298 . The method of  claim 1277 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber. 
     
     
         1299 . The method of  claim 1277 , further comprising positioning at least a portion of a substrate on a substrate support located below the fiber producing device; and producing microfibers and/or nanofibers with the fiber producing device such that the microfibers and/or nanofibers are deposited onto at least a portion of the substrate. 
     
     
         1300 . The method of  claim 1299 , wherein the substrate support comprises one or more openings that pass through at least a portion of the substrate support, wherein one or more openings are coupled to a vacuum, and wherein the method further comprises applying a vacuum to the substrate support. 
     
     
         1301 . The method of  claim 1299 , further comprising activating a substrate transfer system to move at least a portion of a substrate over the substrate support. 
     
     
         1302 . The method of  claim 1299 , wherein the substrate support comprises an electrostatic plate. 
     
     
         1303 . The method of  claim 1299 , further comprising activating a pressurized gas producing and distribution system, wherein the pressurized gas producing and distribution system creates a gas flow that directs the formed microfibers and/or nanofibers toward a substrate disposed in the substrate support. 
     
     
         1304 . A microfiber and/or nanofiber producing system comprising:
 a fiber producing device comprising a body, the body comprising a plurality of openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   a driver capable of rotating the body, wherein the body is couplable to the driver through the coupling member; and   a deposition system that directs fibers produced by the fiber producing device toward a substrate disposed below the fiber producing device during use;   a substrate transfer system, wherein the substrate transfer system moves a continuous sheet of substrate material through the deposition system;   wherein, during use, rotation of the body coupled to the driver causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers that are at least partially transferred to the substrate.   
     
     
         1305 . The system of  claim 1304 , wherein the deposition system comprises a vacuum system coupled to the substrate, wherein the vacuum system produces a region of reduced pressure under the substrate such that fibers produced by the fiber producing device are drawn toward the substrate due to the reduced pressure. 
     
     
         1306 . The system of  claim 1304 , wherein the deposition system comprises an electrostatic plate positioned below the substrate, wherein the electrostatic plate has an opposite charge to a charge of the fibers produced by the fiber producing device such the produced fibers are drawn toward the substrate due to an electrostatic attraction to the electrostatic plate. 
     
     
         1307 . The system of  claim 1304 , wherein the deposition system comprises a gas producing device configured to produce a gas flow that directs fibers formed by the fiber producing device toward the substrate. 
     
     
         1308 . The system of  claim 1304 , wherein the deposition system comprises:
 a vacuum system coupled to the substrate, wherein the vacuum system produces a region of reduced pressure under the substrate such that fibers produced by the fiber producing device are drawn toward the substrate due to the reduced pressure;   an electrostatic plate positioned below the substrate, wherein the electrostatic plate has an opposite charge to a charge of the fibers produced by the fiber producing device such the produced fibers are drawn toward the substrate due to an electrostatic attraction to the electrostatic plate; and   a gas producing device configured to produce a gas flow that directs fibers formed by the fiber producing device toward the substrate.   
     
     
         1309 . The system of  claim 1304 , wherein the driver is coupled to a movable support, wherein the position of the driver with respect to the substrate is movable along the movable support. 
     
     
         1310 . The system of  claim 1309 , wherein the position of the driver with respect to the substrate is movable while the fiber producing device is producing fibers. 
     
     
         1311 . The system of  claim 1304 , further comprising one or more outlet elements coupled to one or more of the openings. 
     
     
         1312 . The system of  claim 1311  wherein the outlet elements are removably couplable to the body. 
     
     
         1313 . The system of  claim 1311 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1314 . The system of  claim 1304 , further comprising one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1315 . The system of  claim 1304 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1316 . The system of  claim 1304 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1317 . The system of  claim 1304 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1318 . The system of  claim 1304 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1319 . The system of  claim 1304 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1320 . The system of  claim 1304 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1321 . The system of  claim 1304 , wherein the driver is positioned above the fiber producing device, when the fiber producing device is coupled to the driver. 
     
     
         1322 . The system of  claim 1304 , further comprising a heating device thermally coupled to the fiber producing device. 
     
     
         1323 . The system of  claim 1322 , wherein the heating device comprises one or more heating elements coupled to a ring-shaped substrate. 
     
     
         1324 . The system of  claim 1322 , wherein the heating device comprises an infrared radiant heater. 
     
     
         1325 . The system of  claim 1304 , wherein the fiber producing device is enclosed in a chamber, and wherein the environment inside the chamber is controllable. 
     
     
         1326 . The system of  claim 1304 , wherein the driver is capable of rotating the fiber producing device at speeds of greater than about 1000 rpm. 
     
     
         1327 . A method of producing microfibers and/or nanofibers, comprising:
 placing material into a fiber producing device, the fiber producing device comprising a body comprising one or more openings and a coupling member, wherein the body is configured to receive material to be produced into a fiber;   rotating the fiber producing device at a speed of at least about 1000 rpm, wherein rotation of the fiber producing device causes material in the body to be ejected through one or more openings to produce microfibers and/or nanofibers;   directing fibers produced by the fiber producing device toward a substrate disposed below the fiber producing device; and   moving a substantially continuous sheet of substrate material below the fiber producing device while fibers are being produced byte fiber producing device.   
     
     
         1328 . The method of  claim 1327 , wherein the microfibers and/or nanofibers are created without subjecting the fibers, during their creation, to an externally applied electric field. 
     
     
         1329 . The method of  claim 1327 , further comprising:
 heating the material to a temperature sufficient to at least partially melt the material;   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material; and   placing the heated material in the heated fiber producing device.   
     
     
         1330 . The method of  claim 1327 , further comprising:
 placing material in a fiber producing device; and   heating the fiber producing device to a temperature at or near the temperature sufficient to at least partially melt the material disposed in the fiber producing device.   
     
     
         1331 . The method of  claim 1327 , further comprising mixing the material with a solvent to produce a mixture of the material in a solvent, and placing the mixture in the fiber producing device. 
     
     
         1332 . The method of  claim 1327 , further comprising creating a region of reduced pressure under the substrate such that fibers produced by the fiber producing device are drawn toward the substrate due to the reduced pressure. 
     
     
         1333 . The method of  claim 1327 , wherein an electrostatic plate is positioned below the substrate, and wherein the method further comprises activating the electrostatic plate to produce a charge on the plate that is opposite to a charge of the fibers produced by the fiber producing device such the produced fibers are drawn toward the substrate due to an electrostatic attraction to the electrostatic plate. 
     
     
         1334 . The system of  claim 1327 , further comprising producing a gas flow that directs fibers formed by the fiber producing device toward the substrate. 
     
     
         1335 . The method of  claim 1327 , wherein an electrostatic plate is positioned below the substrate, and wherein the method further comprises:
 creating a region of reduced pressure under the substrate such that fibers produced by the fiber producing device are drawn toward the substrate due to the reduced pressure;   activating the electrostatic plate to produce a charge on the plate that is opposite to a charge of the fibers produced by the fiber producing device such the produced fibers are drawn toward the substrate due to an electrostatic attraction to the electrostatic plate; and   producing a gas flow that directs fibers formed by the fiber producing device toward the substrate.   
     
     
         1336 . The method of  claim 1327 , wherein the driver is coupled to a movable support, wherein the method further comprises altering the position of the driver with respect to the substrate by moving the driver along the movable support. 
     
     
         1337 . The method of  claim 1336 , wherein the position of the driver, with respect to the substrate, is moved while the fiber producing device is producing fibers. 
     
     
         1338 . The method of  claim 1327 , wherein the fiber producing device further comprises one or more outlet elements coupled to one or more of the openings. 
     
     
         1339 . The method of  claim 1336 , wherein the outlet elements are removably couplable to the body. 
     
     
         1340 . The method of  claim 1336 , wherein the body comprises a locking system used to couple one or more outlet elements to the openings, wherein the locking system locks the coupled outlet elements in a predetermined orientation with respect to the body. 
     
     
         1341 . The method of  claim 1327 , wherein the fiber producing device further comprises one or more needle ports coupled to one or more of the openings, wherein one or more needles are removably couplable to the needle ports during use. 
     
     
         1342 . The method of  claim 1327 , further comprising one or more needles coupled to one or more of the openings, wherein one or more needles are removably couplable to the openings. 
     
     
         1343 . The method of  claim 1327 , further comprising one or more nozzles coupled to one or more of the openings, wherein one or more nozzles are removably couplable to the openings during use. 
     
     
         1344 . The method of  claim 1327 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, wherein one or more openings extend through a sidewall of the body, communicating with the internal cavity. 
     
     
         1345 . The method of  claim 1327 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is angled from a bottom wall toward one or more of the openings. 
     
     
         1346 . The method of  claim 1327 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall is rounded from a bottom wall toward one or more of the openings. 
     
     
         1347 . The method of  claim 1327 , wherein the body comprises one or more sidewalls and a top, together defining an internal cavity, and wherein an interior surface of the sidewall has an oval shape such that the long axis of the oval interior sidewall is in alignment with one or more of the openings. 
     
     
         1348 . The method of  claim 1327 , further comprising coupling the fiber producing device to a driver. 
     
     
         1349 . The method of  claim 1327 , wherein the driver is positioned above the fiber producing device. 
     
     
         1350 . The method of  claim 1327 , further comprising heating the fiber producing device. 
     
     
         1351 . The method of  claim 1327 , further comprising placing the fiber producing device in a chamber, and controlling the environment inside the chamber.