Inhabitat » Nokia Phone Charges by Drawing Energy Out of Thin Air

// added November 16, 2009 // 0 comments //
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http://www.inhabitat.com/2009/06/11/nokia-phones-pull-energy-out-of-t...

Researchers at the Nokia Research Centre in Cambridge in the UK are working hard on a technology that can harvest small amounts of energy from ambient radio and TV waves. The cell phone would pick up radio wave frequencies as low as 500 megahertz up to 10 gigahertz, which includes television broadcasts, microwave ovens, mobile phones, wireless LAN, bluetooth, GPS, and two-way radios. In theory, two circuits would be capable of receiving and then converting the free energy to an electrical current to charge the battery of a cell phone.
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