• Ubermeisters@lemmy.zip
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    1 year ago

    Those PASS devices sound like a really creepy cricket noise almost when they chirp together but out of phase from each other.

    • C4d@beehaw.orgOP
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      1 year ago

      It’s a sound that permeates much of the post-collapse footage; when a much younger and less experienced me first heard it, I thought it was car alarms - I didn’t connect it with the fate of hundreds of fire crew.

      Here’s another clip that captures the “chirping”.