The open notebook

Room to think.

Essays, articles, and notes from the edges of my curiosity.

Article

Scoring 131,072 universes

How Rule Safari finds the interesting Life-like rules without being told which ones are famous, and the twelve-generation trick that made it work.

7 min read
Article

Three hours of memory, twelve hours of gap

Why Scry rescanned the whole disk on almost every restart, why the NTFS change journal wasn't the culprit, and the five-minute checkpoint that fixed it.

6 min read