WiFi Signals Converted to Energy Could Allow Us to Power Electronics Wirelessly

autoevolution
24 May 2021, 15:06 UTC ·
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Our existence relies on so many gadgets that are part of our power-draining lifestyle. But batteries could no longer be necessary in the future, thanks to a major discovery. Scientists are working on a technology to convert WiFi signals into energy, allowing us to power all our electronics wirelessly.
A team of researchers from the National University of Singapore and Japan’s Tohoku University came up with a technology to harvest WiFi signals using spin-torque oscillators (STOs). These are very small devices that generate microwaves and can convert wireless radio frequencies into energy. Using the STOs, the scientists were able to power a LED without the need for a battery, which gave them hope for many other future applications.

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