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+ - Power harvesting device covert lost energy into electricity->

Submitted by Anonymous Coward
An anonymous reader writes "Using inexpensive materials configured and tuned to capture microwave signals, researchers at Duke University’s Pratt School of Engineering have designed a power-harvesting device with efficiency similar to that of modern solar panels.
The device wirelessly converts the microwave signal to direct current voltage capable of recharging a cell phone battery or other small electronic device, according to a report appearing in the journal Applied Physics Letters in December 2013. (It is now available online.)"

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Power harvesting device covert lost energy into electricity

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