Interesting Engineering on MSN1d
Transparent tech harvests energy from radio waves, sunlight for self-powering devices
“Our transparent rectifying metasurface system offers distinct advantages over conventional energy harvesting antennas and ...
Hackaday4y
Tracking Down Radio Frequency Noise Source, With Help From Mother Nature
Amateur radio operators and shortwave listeners have ... Unsurprisingly, it was a cheap laptop power supply. [Emilio] found that the switch-mode brick was spewing RFI over a 200-meter radius ...