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Communication by means of modulated Johnson noise

66 points · 35 comments · austinallegro

  1. frumiousirc · · focus · HN ↗
    > the maximum achievable throughput is 26 bps at 1.5 m and goes down to 22 bps at 4.5 m.

    And when there are more than one transmitters in real world conditions instead of anechoic chamber?

    It's cool and all and if this work is for it's own sake, for the sake of research, no issues. But otherwise, I struggle to think of practical use cases. I grant that my imagination may be deficient.

    1. dist-epoch · · focus · HN ↗
      > I struggle to think of practical use cases.

      I guess your not on Twitter. It's not a coincidence this research paper from 2022 got posted today.

      1. badatnames · · focus · HN ↗
        What happened today ?
        1. Avicebron · · focus · HN ↗
          I think someone from OpenAI said something like "air gapping AI can't (hypothetically) work because it will figure out a way to basically morse code across the airgap". (I think this was in response to people calling them out for not airgapping)
          1. rep_lodsb · · focus · HN ↗
            There needs to be something on the other side to receive that morse code. Unless it's like Metamorphosis of Prime Intellect and it figures out how to rearrange matter just by modulating some electronic signal.

            If you think this is a realistic possibility, you might be experiencing AI psychosis.

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