Engineers Devise a Way to Harvest Wind Energy from Trees

Posted on Friday, February 12th, 2016 by

Harvesting electrical power from vibrations or other mechanical stress is pretty easy. Turns out all it really takes is a bit of crystal or ceramic material and a couple of wires and, there you go, piezoelectricity. As stress is applied to the material, charge accumulates, which can then be shuttled away to do useful work. […]

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