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
(Natural News) A team of computer scientists and electrical engineers at the University of Washington have designed and unveiled the world’s first battery-free mobile phone that makes use of ambient radio waves or light to function. The phone was touted to “harvest” a few microwatts of power from the said sources to send and receive calls. The team…
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