Rectenna

Convert wi-fi signal to electricity

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Hunter's comment

A recent research breakthrough that was published on Nature International Journal of Science has developed a device that can convert energy from wi-fi signal into electricity that can power up wearables. This device is called rectenna. As described on the website:

uses a flexible radio-frequency (RF) antenna that captures electromagnetic waves — including those carrying Wi-Fi — as AC waveforms.

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Link

https://news.mit.edu/2019/converting-wi-fi-signals-electricity-0128