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Duke researchers' device pulls energy out of thin air

Lucas Mearian | Nov. 11, 2013
Breakthrough device converts stray wireless signals into electricity and could be tuned to harvest energy from multiple sources, even sound

The energy collection device could be tuned for a multitude of frequencies to collect different types of energy, including vibration and sound energy.

"Until now, a lot of work with metamaterials has been theoretical. We are showing that with a little work, these materials can be useful for consumer applications," Katko said.


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