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Batteries powered by body heat
graphic October 19, 2001: 7:09 p.m. ET

Digital Angel said it has developed devices powered by untapped energy source.
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  • CNNmoney: TIPS FROM THE TOP
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    NEW YORK (CNNmoney) - Digital Angel said it has developed a wafer-think, fingernail-size "battery" that can convert low gradient body heat flow into electrical power.

    Keith Bolton, chief technology officer of Digital Angel, appeared on CNNfn's The N.E.W. Show with more details.

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    You can e-mail questions and suggestions for future guests to LeadingEdge@CNNfn.com. The Leading Edge segment airs on the CNNfn network at 5:50 p.m. ET, Monday through Friday. graphic

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