World’s first non-battery cell phone “harvests” ambient radio waves to power itself

World’s first non-battery cell phone “harvests” ambient radio waves to power itself

A team of computer scientists and electrical engineers at the University of Washington have designed and unveiled the world’s first battery-free

http://glitch.news/2017-07-09-worlds-first-non-battery-cell-phone-harvests-ambient-radio-waves-to-power-itself.html

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