A stroll around the park may soon be enough to charge the raft of batteries needed in today’s power-hungry gadgets.read more | digg story
Filed under: Idea | Tagged: biomechanics, energy, knee, man-made
A stroll around the park may soon be enough to charge the raft of batteries needed in today’s power-hungry gadgets.read more | digg story
Filed under: Idea | Tagged: biomechanics, energy, knee, man-made