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Cell Phones Could Soon Be Powered By Walking

Taking a stroll may soon be enough to re-charge your mobile phone, after US researchers developed a way to generate electricity from human motion.

Placed in a shoe, the device captures the energy of moving micro droplets and converts it into electrical current. Kinetic charging is already used in some low power devices such as watches and sensors. The University of Wisconsin team published its study in the journal Nature Communications.

“Humans, generally speaking, are very powerful energy-producing machines,” said Professor Tom Krupenkin from the university’s mechanical engineering department.

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