Battery-free wireless devices

In order to get rid of batteries or wires for power, the engineers from the University of Washington have developed a wireless communication system. The devices communicate between them by reflecting the existing TV and cellular transmissions to exchange information.

This technology will free devices from any human attention in terms of power.Wireless device Wireless device2

Source: http://www.washington.edu/news/2013/08/13/wireless-devices-go-battery-free-with-new-communication-technique/

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