Patterns, Predictions, and Actions: A story about machine learning, by Moritz Hardt and Benjamin Recht. Full text online.
Five (and a Half) Derivatives in Language Theory, by Neel Krishnaswami.
Categorical Logic, course by Mathieu Anel.
Fuzix on the Raspberry Pi Pico, by David Given.
Basic Computer Games, now updated.
Not the Digital Dictionary, a Guide to Understanding DECspeak (1984).
Automatic pool stick vs. strangers (YouTube), by Stuff Made Here.