[HN Gopher] Coherer Effect [video] ___________________________________________________________________ Coherer Effect [video] Author : modinfo Score : 14 points Date : 2023-09-03 17:17 UTC (5 hours ago) (HTM) web link (www.youtube.com) (TXT) w3m dump (www.youtube.com) | thunderbong wrote: | This was amazing! Never knew of this. And Mehdi is great as | always! | | And this is certainly one of the few things on his channel that I | can try at home! | | The wikipedia article - | | https://en.m.wikipedia.org/wiki/Coherer | extraduder_ire wrote: | I've had cheap battery operated devices that react in the same | way when a lighter clicks near them. Except they stay turned on | because the first thing they do is latch their power on. | smegsicle wrote: | tl;dr | | strange device produces light in response to lighter | | and the light ceases after you blow on it | djmips wrote: | also nicely covered in the Secret Life of Radio in context of the | development of radio communication. | | https://youtu.be/LMxate9gegg?si=Z5pANQTsQGIosIcU | RicoElectrico wrote: | This is amazing, but what blows my mind even more is Bose's | experiments with mmWave in the order of 60 GHz (!) | | https://www.cv.nrao.edu/~demerson/bose/emerson_delhi.pdf | seiferteric wrote: | I built one of these when I was a kid with a piece of plastic | tube, filled with filings from an iron pipe and two metal pushed | into either side. I tested by clicking the electric started on | the stove and flicking to reset, I was amazed when it actually | worked. | pxue wrote: | Mehdi been explaining EE concepts since I was in school a decade | ago. What a legend. ___________________________________________________________________ (page generated 2023-09-03 23:00 UTC)