Re:Converting Wi-Fi signals to electricity with new 2-D mate...
by netrap on Thursday January 31, 2019 @02:53PM
(#19048142)
Thanks for the link. I knew about crystal radios but didn't know about the razor blade technique.
Re:Converting Wi-Fi signals to electricity with new 2-D mate...
by mmagin on Thursday January 31, 2019 @04:13PM
(#19048932)
There's a remarkable array of ways you can get a crude semiconductor junction. See also https://en.wikipedia.org/wiki/Rusty_bolt_effect
https://en.wikipedia.org/wiki/Foxhole_radio