The Energy Harvesting Sneakers produce power from roller sneakers to drive a small display. It’s part of a Kinetic Shoes art project at the moment, but why not extend the concept and give everyone a chance to produce their own power through motion, or what they call power harvesting? [PDF] Accelerometers, gyros, roller ball mechanisms, even solar panels – parcel them all up into a Personal Power Pack and never have to worry about charging your phone or music player again. Cool.