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A comment on Physicists generated sound waves that travel in one direction only.

Re:Physicists generated sound waves that travel in one direc... by trebligdivad on Friday October 11, 2024 @05:59PM (#41814244)
oh wow, this is like an RF Circulator - https://en.wikipedia.org/wiki/Circulator - which are wacky enough in themselves.
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Re:Physicists generated sound waves that travel in one direc... by Terr_ on Friday October 11, 2024 @07:46PM (#41815058)
> three- or four-port device that only allows a microwave or radio-frequency (RF) signal to exit through the port directly after the one it entered

Perhaps only superficially related (IANAElectricalEngineer) but that makes me think of multi-phase mercury arc-rectifiers.

https://en.wikipedia.org/wiki/Mercury-arc_valve

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