Meet the Smart Phone That Powers Itself

Color me skeptical, but stil interested in learning more about the claim made in a Natural News aticle that scientists have created the world’s first battery-free phone that harvests what little energy it needs from th air around it.

from http://www.naturalnews.com/2017-07-09-worlds-first-non-battery-cell-phone-harvests-ambient-radio-waves-to-power-itself.html

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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 even reported placing Skype calls using the battery-free phone, which demonstrated that it can be used to receive and transmit speech and communicate with a base station. The phone was made of commercial, off-the-shelf components.

“We’ve built what we believe is the first functioning cellphone that consumes almost zero power. To achieve the really, really low power consumption that you need to run a phone by harvesting energy from the environment, we had to fundamentally rethink how these devices are designed,” co-author Shyam Gollakota stated in a university release.

“You can’t say hello and wait for a minute for the phone to go to sleep and harvest enough power to keep transmitting. That’s been the biggest challenge — the amount of power you can actually gather from ambient radio or light is on the order of 1 or 10 microwatts. So real-time phone operations have been really hard to achieve without developing an entirely new approach to transmitting and receiving speech,” co-author Bryce Kellogg quoted in an article posted on the Science Daily website.

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 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 th

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Paul Gordon is the publisher and editor of iState.TV. He has published and edited newspapers, poetry magazines and online weekly magazines.
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