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Tag: YOYO

This Yo-Yo Charges Cell Phones

Our current energy crisis is spurring some novel ideas for generating electrcity. Design labs around the country are churning out ideas like this cell phone-charging yo-yo, which can generate small amounts of energy to power personal electronics in hopes of taking that small burden off the grid. The cell phone-charging yo-yo is a simple concept: A conductor and a magnet are housed inside the ...