A place to document the learning process

This is pengc’s log, a place to collect learning notes over time. Start with a question A note does not need to cover an entire field. Start by making one question clear: Why is it worth exploring? Where do existing explanations fall short? What example would make the idea easier to understand? Explain it in your own words Record conclusions alongside reasoning, assumptions, and uncertainty. An idea that feels clear while reading often reveals its gaps only when you try to explain it yourself. ...

September 26, 2026 · 1 min · pengc