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Six energy-harvesting gadgets powered by people
By Cat DiStasio People power is perhaps one of the world's greatest untapped sources of renewable energy. Smart devices that harness kinetic energy from everyday human activities help the environment in more ways than one. By turning motion into useable electricity, human-powered gadgets help reduce reliance on fossil fuels and batteries that damage the planet. At the same time, kinetic gadgets encourage people to keep moving, thereby supporting a healthier lifestyle. From a dance floor that turns your sweet moves into a luminous display to a clever motion-powered light that keeps runners safe at night, we've rounded up six amazing gadgets that take advantage of human movement.
