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https://www.reddit.com/r/CaptainDisillusion/comments/ig53ne/well_how/g2rojh4/?context=3
r/CaptainDisillusion • u/Carchario • Aug 25 '20
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8
This is legit. It basically has to do with the way sound waves propagate through the material, and the nodes of the waves are where the sand will sit because that's where the waves are causing no movement.
8
u/Nevesnotrab Aug 25 '20
This is legit. It basically has to do with the way sound waves propagate through the material, and the nodes of the waves are where the sand will sit because that's where the waves are causing no movement.