An Energy-Emitting Backpack

A group at the University of Pennsylvania has developed a backpack that emits an electric current through the bouncing motion of the pack, reports the The New York Times. "The power produced is enough to run a cell-phone, a flashlight, an MP3 player, a handheld G.P.S. device and other gadgets".

Posted previously: - Backpack generates battery power

emily | 8:43 AM | Technology |
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