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"Power Felt” Uses Your Own Body Heat to Charge Your Cellphone (And It Costs $1!)
As cellphone addicts, we all know the feeling of dread when you leave the house and realize your battery is low. What if instead of running to the nearest outlet, all you had to do was a quick set of jumping jacks? Wake Forest University scientists have developed “Power Felt,”a thermoelectric device that converts body heat into an electrical current. Click ahead to learn more about the awesome (and affordable!) technology.
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