xkcd @lemmy.world randomaccount43543 @lemmy.world 2 mo. ago

xkcd #2924: Pendulum Types

Alt text:

The creepy fingers that grow from a vibrating cornstarch-water mix can be modeled as a chain of inverted vertical pendulums (DOI:10.1039/c4sm00265b) and are believed to be the fingers of Maxwell's Demon trying to push through into our universe.

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I used to have a simulation of a double pendulum as my screensaver, and it was so hypnotic that when I was out of the office, no one in the office could work either. I had to change it.
https://explainxkcd.com/2924
Inverted pendulum becomes stable when vibrated?
- https://youtu.be/5oGYCxkgnHQ
  
  He's a Witch! Burn him!
  
  It works with double pendulums too
  
  https://youtu.be/gnn21smGVrQ
  
  That was surprisingly loud, I almost fell off the toilet
  
  Oh, wow! That's cool. Thanks

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