Teen invents footwear which charges your phone as you walk

Angelo Casimiro is only 15, but he just invented electricitygenerating footwear — as you walk or run about, your shoes will generate power that can be used to charge your phone or any small battery-powered device.

The footwear was Casimiro’s entry to Google’s Science Fair this year. “Electricity is generated using a an in-sole generator that is made out of two pairs of physioelectric discs, which produce energy when the crystal bends inward,” explains Casimiro in his entry video. The generator is soldered to the battery of a power bank, which can then be used to plug in any device through a USB connection.

Don’t expect to charge up your iPhone on your morning jog right away. In initial tests, Casimiro’s device was able to charge a phone for about 10 minutes of use after playing 2 hours of basketball. But hey, it’s a start.