We’ve seen non-transitive dice, and we’ve had cellular automata coming out of our ears (and proceeding deterministically). Now, this:

[youtube url=http://www.youtube.com/watch?v=M4cV0nCIZoc]

A post by the CA’s creator describes in more detail what’s going on, although essentially the idea is that red, green and blue are able to destroy each other in a similar way to rock-paper-scissors, and the result of letting them play for a while is quite interesting. My favourite YouTube comment here has got to be the amazing and prescient “I’m high and what is this?”