the higher the density of a material, the faster the speed sounds travels through it

https://video.nostr.build/faa16745ba330d725a2f578fda316d266d2ff34cdb08924d4251d0e5a5587d1b.mp4

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This is a really good demonstration πŸ”₯πŸ”₯

Thank you so much πŸ₯°πŸ₯°πŸ₯°πŸ₯°πŸ«ΆπŸ«ΆπŸ«Ά

Also the mechanism behind a mirage. I wonder if dominoes could demonstrate a wave guide. πŸ€”

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