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Researchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered devices (www.tomshardware.com)

submitted 3 months ago by schizoidman@lemmy.ml to c/technology@lemmy.world

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cross-posted from: https://lemmy.ml/post/18426215

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[–] bjoern_tantau@swg-empire.de 32 points 3 months ago (3 children)

A friend of mine was working on a car chassis and that thing suddenly started to receive radio. You could faintly hear it coming from the chassis and not from somewhere else. We thought we were going crazy. Touching the chassis made it go away.

[–] skulblaka@sh.itjust.works 6 points 3 months ago

When I was a kid, I got a stereo system for my birthday one year alongside two big speakers. The speakers, if they stayed powered while the stereo was off, would receive faint traces of radio signal. So round midnight when the house is quiet I could always hear faint voices, just barely loud enough to hear, but quiet enough to make you wonder if you're really hearing it. Nearly scared the dick off me, I thought my parents gave me a haunted stereo. No, turns out it was just haunted by the ghosts of local AM radio.

[–] Varyk@sh.itjust.works 5 points 3 months ago

Haha, that's so cool.