Nanodevice Powered by Motion

Every move you make, every step you take, you can generate electricity. By cramming 20,000 nanowires into three square centimeters, scientists from Georgia Tech have created the world's first device powered solely by piezoelectric materials. A piezoelectric material is something that, when pushed or pulled, generates a mild electrical charge. Within three to five years piezoeleectric nanowires, woven into a cotton shirt or housed in a shoe heel, could charge a cell phone or laptop battery...Full Story
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