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Bike mounted generator harnesses energy from your bouncing butt to light up the road

Gizmodo found this 11/5/2008 on dvice.com

Ask any serious bike racer, and they'll tell you that a bike needs to be as stiff as possible to avoid wasting energy. That fine for hard core racers, but most of us want our rides to be comfortable too, so we buy bikes with a nice cushy seat, and a springy suspension system to help smooth ...