Novel system could power Internet of Things devices using radio frequency signals - Wi-Fi Backscatter 

08/04/2014 - 00:00

By Michelle Ma - 

Imagine a world in which your wristwatch or other wearable device communicates directly with your online profiles, storing information about your daily activities where you can best access it – all without requiring batteries. Or, battery-free sensors embedded around your home could track minute-by-minute temperature changes and send that information to your thermostat to help conserve energy.

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