The pattern of a nautilus is an example of a common kind of computation that generates a fractal pattern — that is, a pattern that is self-similar at different scales. For a related reason, it also tends to have a characteristic harmonic proportioning.
  • Salingaros, Nikos A., and Michael W. Mehaffy. "Ch 15. Computational Irreducibility" In Design for a Living Planet: Settlement, Science, & the Human Future. Design for a Living Planet: Settlement, Science, & the Human Future. Levellers/Sustasis Press and Vajra Publications, 2015. Digital Library
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  • "Figures." In Design for a Living Planet: Settlement, Science, & the Human Future. DFLAP. Levellers/Sustasis Press and Vajra Publications, 2015.
  • Mehaffy, Michael W., and Nikos Angelos Salingaros. "Ch 15. Computational Irreducibility." In Design for a Living Planet: Settlement, Science, & the Human Future, 156-164. Design for a Living Planet: Settlement, Science, & the Human Future. Levellers/Sustasis Press and Vajra Publications, 2015.