Engineers harvest Wi-Fi signals to power small electronics

With the rise of the digital age, the amount of Wi-Fi sources to transmit information wirelessly between devices has grown exponentially. This results in the widespread use of the 2.4GHz radio frequency that Wi-Fi uses, with excess signals available to be tapped for alternative uses.

from Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science https://ift.tt/3oolnfi

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