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Charging Nanofibre Yarn

 - Feb 15, 2008
References: nature
Dead phone or MP3 player batteries may soon be a thing of the past as there is now a personal generator suit to ensure your gadgets are always charged. reports that "Zhong Lin Wang and his colleagues at the Georgia Institute of Technology in Atlanta have made a yarn out of nanofibres that produce charge when they are rubbed against one another. Materials woven from these yarns could be used for self-powering clothes, shoes or biological implants such as pacemakers."

The technology is based on the use of piezoelectric fibers, which produce a voltage when they are stretched, bent, or compressed. It's not quite ready for "prime-time" yet however. So far the largest of the prototype yarns consisted of only a few fibers.