Researchers Say They Can Charge a Phone With Ambient Sound

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A new smartphone prototype can be charged by ambient sound, such as cheers from a football field or chatter from a coffee shop — though don't expect to cut your charging cable anytime soon.

Scientists from Queen Mary University of London and researchers at Nokia built a mobile device that can be refueled when everyday background noise, including traffic and music, is converted into electricity.

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When Joe Briscoe and Steve Dunn of Queen Mary studied how playing fast-tempo pop and rock music stimulated and improved the performance of solar cells, the team wanted to create a device that could take motion energy and turn it into electricity Read more...

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from MashableSamantha Murphy Kelly