World’s First Battery-Free Cell Phone Uses Only Ambient Power – July 12, 2017

And it’s actually surprisingly small!

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

Credit: University of Washington

 

Imagine a world where you never have to worry about your cell phone battery dying. This may soon become a reality, as researchers at the University of Washington have invented a battery-free cell phone that works with the power of ambient light and radio waves. The research was published July 1st in the journal Proceedings of the ACM, titledBattery-Free Cellphone.

Read more at: True Acvivist

 

 

 

 

 

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