Saturday, January 9, 2010

Resonance!

A classic example that is always amazing to watch:



(Incidentally, the engineering term for this is "aeroelastic flutter". Isn't that great?)


Rice on a speaker (turn down your volume!):



Finally, this is a little physics demo that for some reason I like, even though it is a little slow. While you're watching it, imagine that the little test objects are buildings in an earthquake.



Can you figure out how all of these relate to each other?

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