Like many of you probably have, I’ve taken a piece of sheet metal and wobbled it to hear the sound it makes. I’m also familiar with the wobble board as musical instrument (but let’s avoid talking about the criminal who most broadly advocated for them, please).
I was recently [watching this TikToker](https://www.tiktok.com/@frankiejustchillin/video/7334493726749822238) who wobbles different sizes and materials of sheet metal, and it set me to wondering: what is happening that they make this sound?
Thank you!
In: Physics
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