Germans and efficiency are practically synonymous, so its no surprise that these new ultra-efficient shoes that generate usable energy from everyday walking were created by a team of German researchers. These shoes could prove to be exceptionally useful for powering handheld electronics or wearables, particularly for people who do a lot of running or walking.
German researchers have built shoe-sized devices that harvest power from the act of walking. The technology could be used to power wearable electronic sensors without the need for batteries. There are two separate devices: a “shock harvester” that generates power when the heel strikes the ground and a “swing harvester” that produces power when the foot is swinging. They could also form the basis of a self-lacing shoe for the elderly. Details of the advance are outlined in the journal Smart Materials and Structures. “We have tried to power a wireless transmitter and to power a simple sensor,” said Klevis Ylli from HSG-IMIT, a research centre in Villingen-Schwenningen, Germany.
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