With Ampy, You'll Get a Charge Out of ExercisingWhile some people are vaguely aware that movement can be converted into electrical energy -- think wrist watches or emergency crank flashlights -- a new Kickstarter project has created Ampy, a small, wearable battery pack that can harness the kinetic motion of common humans and release it back into smartphones, smartwatches and other USB-powered electronic gadgets.
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With Ampy, You'll Get a Charge Out of Exercising
