Remember a while ago someone asked about the possibility of charging your mobile while walking ?
Well
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Walking Powers Sensors...
By simply walking or running, you may soon be able to generate enough usable electrical energy to power sensors to locate you in an emergency or even power portable devices such as cell phones and music players. Developed by Louisiana Tech University scientists, the piezoelectric device consists of a low-cost polymer transducer flexible enough to be embedded in a person's shoes.
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