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lnxw48a1 (lnxw48a1@nu.federati.net)'s status on Sunday, 26-Feb-2023 23:02:19 EST lnxw48a1

https://bigthink.com/the-future/radio-waves-powerless-device/

I am not convinced.
In conversation Sunday, 26-Feb-2023 23:02:19 EST from nu.federati.net permalink
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1. Invalid filename.
  
  How a device transmits radio waves with almost no power
  
  from Big Think
  
  Apart from the energy needed to flip the switch, no other energy is needed to transmit the information.
1. lnxw48a1 (lnxw48a1@nu.federati.net)'s status on Sunday, 26-Feb-2023 23:07:50 EST lnxw48a1
  in reply to
  
  So the video describes ambient backscatter, which makes total sense. But the text of the article describes random electron motion due to heat as the energy source for transmissions. That's the part that I'm not convinced is true.
  
  In conversation Sunday, 26-Feb-2023 23:07:50 EST from nu.federati.net permalink

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