I'm essentially using Twitter as memory for myself here, but anyone with an interest in Cellular Automata or complex systems should really take a look at what happens if you put a few thousand ball bearings between two sheets of glass and shake them:https://youtu.be/xuL2yT-B2TM
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Replying to @R4_Unit
In a similar vein, Bragg and Nye used "bubble rafts" to visualize grain boundaries and dislocations in metals back in 1952 (!). They made an amazing film, too: https://www.youtube.com/watch?v=UEB39-jlmdw … (paper: http://web.mit.edu/mikejd/previously_online/aices_mit_2009/Bragg-bubble_raft.pdf …)
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Replying to @blockspins @R4_Unit
Very nice! It makes me think ofhttps://youtu.be/uX3WNzCjRjw?t=59 …
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Replying to @KangarooPhysics @R4_Unit
Yup! Those are "climb" and "glide" motions of dislocations.
2:48 PM - 26 Aug 2019
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