06/27/2010 05:12 am ET Updated May 25, 2011

Shoe Generator Builds Electricity As You Walk

These shoes were made for walking--and for producing power. A researcher at Louisiana Tech University designed a shoe that contains a small generator in its sole. When the shoe-wearer moves, it generates a piezoelectric charge, which is then converted into electricity for charging batteries or powering small electronics in real time.

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