Notes

short pieces on the mathematics, mostly

• 2024-09-12

  Reaction-diffusion in three minutes

  A non-rigorous tour of the activator-inhibitor idea, with a sketch of why pattern formation is the natural state of these systems.

• 2024-10-03

  Why cats look the way they do

  Turing's 1952 paper, and the curious fact that real cat coats arise from a process formally identical to the one running on this site.

• 2024-11-21

  Procedural pixel art and the case against asset libraries

  Notes on building generators that produce something genuinely new each time, instead of recombining templates.