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A group of Canadian and U.S. scientists have added a twist to the term
"power-walking," building a knee brace device that can harvest
enough energy from a person's stride to power multiple cellphones.
Researchers who study energy harvesting see energy all around us – we just need to find a way to capture that energy. One of the latest energy harvesting techniques is converting the mechanical energy from falling raindrops into electricity that can be used to power sensors and other electronics devices. (
"In Israel, where water is scarce, a new device allows people to generate water from air." Aquamaker, a Houston based company created the water generator now for sale that converts humidity in the air to purified water. (Good News Login
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