You don’t need anyone’s permission to learn skills or build things any more.

Brought up in the context of teaching young people, but making sure people develop self-agency is an important part of building any self-sustaining team.

How to build an engaging mathematics LMS for fun and profit.

I was a coordinator for last year’s IMO 2024 and this year’s IMO 2025.1 Here’s some thoughts about that, contrasting my IMO 2019 post.

In my last semester of MIT I led a recitation (i.e. twice-a-week review) session1 for multivariable calculus (18.02) at MIT (although the first few weeks are all linear algebra). It’s different from many contexts I’ve taught in before; the emphasis of the class is on doing standard procedures, but the challenge is that there is…

Excellent notes on teaching.

because: ~azurylite