#Energy
http://ift.tt/1vJTUB4 http://bit.ly/15KdByZ
Harvesting energy from human footsteps? WISC Madison "People walk up to 150 million footsteps in their lifetime," Pavegen CEO Laurence Kemball-Cook told CNN. "When I was walking through a busy train station in London I thought what if we can convert the energy from every single person walking at the ... |
http://ift.tt/1vJTUB4 http://bit.ly/15KdByZ
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