New device captures ambient energy from the air to power small electronic devices

Energy3

Professor Manos Tentzeris displays an inkjet-printed rectifying antenna used to convert microwave energy to DC power.

Researchers have found a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems. By getting this ambient energy from the air around us, the technique could provide a new way to power networks of wireless sensors, microprocessors and communications chips.

 

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