Mon. Oct 21st, 2019

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University of Washington Develops Solar-Powered Battery-Free Cellphone

1 min read
Engineers at the University of Washington have designed a battery-free cellphone powered by either ambient radio signals solar power. The new device sends and receives calls with only a few microwatts of power and demonstrated its capabilities with Skype.
Engineers at the University of Washington have designed a battery-free cellphone powered by either ambient radio signals solar power. The new device sends and receives calls with only a few microwatts of power and demonstrated its capabilities with Skype.
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