crochet, recursion and science

This is the second time I've seen crochet used to model complex structures.  Check it out, using crochet to model cloud formation.
http://io9.com/5876510/artist-uses-crochet-to-create-scientifically-accurate-fractal-clouds

And in this Ted talk, Margaret Wertheim uses crochet to explain complex mathematical "shapes"
http://www.ted.com/talks/margaret_wertheim_crochets_the_coral_reef.html