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this post was submitted on 14 Jun 2025
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Science Memes
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If a Mars lander hits itself with a shovel and no one is around to hear it ... does it make a sound?
It does (ok, one catch: if there's an atmosphere), sound has physical nature. The trick is in asking whether music/art/languages exist after any sentient life is gone
Can't sound transfer through the casing even if it's not vibrating air in the process?
I think I've got your point: that's not whar we call sound, but yes, the showel and casing will reverberate
https://www.engineeringtoolbox.com/sound-speed-solids-d_713.html
No, there is a well-known experiment: take something that produces sound, put in a glass, suck air out. Won't hear a thing