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2012-04-06 Fractal automata
2012-03-30 Periodic Julia patterns
2012-03-25 Conformally invariant patterns
2012-03-21 In Flight
2012-03-16 Spherical worlds
2012-02-26 Starry Night
2012-02-12 The Scale of the Universe
2012-01-17 Internet strike
2012-01-01 Gravity Stools
April 6th 2012
I'd like to point out two very interesting discussion threads on fractalforums. Tom Lowe, already known for the 3d fractal "Mandelbox", had the idea to combine several layers of cellular automata of different sizes. Superimposed cells in different layers interact just as they are with their neighbours in the same layer. This allows to introduce large scale correlations into the system and produces very interesting visual results. This idea is strangely reminiscent of Jonathan McCabe's multiscale Turing patterns, already mentioned in this blog. The fractalforum thread is here, and below is a video displaying various automata rules:
Tom even made available for download a little program allowing you to explore these automatons.
Now it's becoming even more interesting when you do the same thing in 3d! Here are two pictures, found in this thread.
It would be really cool if the number of cells could be increased enough so that the pixellisation disappears... but apparently it's difficult.