RE: Battery-free cell phone !! will this become true?!! — Steemit

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RE: Battery-free cell phone !! will this become true?!!

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moha1m1ed (37)in #battery • 7 years ago

Source http://www.washington.edu/news/2017/07/05/first-battery-free-cell-phone-makes-calls-by-harvesting-ambient-power/

7 years ago in #battery by moha1m1ed (37)

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moha1m1ed (37) 7 years ago

(^_^)