Writing

• The True Cost of Separating Code Development from Code Understanding in an AI first world

  2026-08-13

  When AI makes code cheap, understanding becomes expensive*

• The number that broke arithmetic

  2026-08-07

  The Greeks proved a number existed that they could not write down, and it wrecked their programme. The repair took 2,200 years and is the single property every convergence proof in this series quietly uses. Then the modern version of the same problem: why 0.1 + 0.2 is not 0.3, and why the textbook variance formula should not go into production.

• The map in one hour

  2026-08-05

  Hilbert space, manifold, measure, homology, transport plan. One sentence each, one paragraph each, and what each one lets you do that you could not do before. No proofs and no prerequisites: this is the map, so that everything after it has somewhere to attach.

• Appendix: derivations and definitions

  2026-08-05

  A growing reference for the mathematical objects the series uses but which sit outside the flow. Each entry is self-contained, so they can be read on their own or skipped entirely.

• From Relationships to Representations

  2026-07-25

  Towards a geometric representation of probability distributions

• The Other Problems with Correlation

  2026-07-23

  Why nonlinear relationships get hidden or misconstrued by the standard first look at a dataset, and an open source tool for orbit plots.