Oh, and one other important note: There are self-replicators in other cellular automata systems slightly more complicated than Life already. But this shows that one can do so in a very simple, Turing-complete system which wasn't really done in a substantially non-trivial fashion before. Most of the other such systems are ones where, as I understand it, the rules were specifically designed to make self-replicating structures easy, which is very much not the case in Life.
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ninetydegrees
no subject
on 2010-06-23 01:46 pm (UTC)