Ever feel like the mathematics you’re learning doesn’t make any sense to you? Good. In a way, it would’ve been worse if you thought it did make sense.

A clickable visual guide (tile map) to the Rust type system. Every type possible in Rust falls into one of the boxes shown.

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