SynAcker@lemmy.worldtoTechnology@lemmy.world•Researchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered devicesEnglish
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4 months agoNot new indeed. Kinda reminds me of old Nextel phones that you would put a little LED on the antenna and it would blink from the EMI when sending and receiving data.
I read once that a good thing to do was to physically mail a low denomination check to the campaign. All because the work and effort to record and deposit the funds was so labor intensive by an actual person.