Energy from thin air

WASHINGTON: Researchers have discovered a way of harnessing energy from the air around us that could potentially power wireless sensors, microprocessors and communications chips.

“There is a large amount of electromagnetic energy all around us, but nobody has been able to tap into it,” said Manos Tentzeris, professor in the Georgia Tech School of Electrical and Computer Engineering. Tentzeris’ scavenging device could be used by itself or with other generating technologies. For example, scavenged energy could assist a solar element to charge a battery during the day. These findings were presented earlier this month at the IEEE Antennas and Propagation Symposium in Spokane, Washington. IANS
 

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