Brian's Brain

This article is about a cellular automaton devised by Brian Silverman. For the character from the British comic book, see Smash! (comics).
Not to be confused with Brian Brain.
A typical chaotic Brian's Brain pattern showing spaceships, rakes and diagonal waves. In this animation, the on cells are white and the dying cells are blue.

Brian's Brain is a cellular automaton devised by Brian Silverman, which is very similar to his Seeds rule.