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Re:Game of Life, Simulated in the Game of Life (2012) [video] by lainwashere on Monday April 13, 2020 @05:24PM (#22860202)
Every time I watch this video, I get a sense of existential crisis. Another cool video that relaxes me is this one [0]. It feeds another type of Turing complete cellular automaton called Rule 110 [1] into Game of Life.

[0] https://youtu.be/P2uhhAXd7PI

[1] https://en.wikipedia.org/wiki/Rule_110

Re:Game of Life, Simulated in the Game of Life (2012) [video] by eigenvalue on Monday April 13, 2020 @07:57PM (#22861491)
That’s really creative to combine the two CAs like that, I’ve never seen that done before. It suggests a whole algebra of the objects that result from composing two systems.