[HN Gopher] Coherer Effect [video]
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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.
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(page generated 2023-09-03 23:00 UTC)