symmetry-img5 - Chalkdust

Spinning basketballs at different angles

Sam is a PhD student at Durham Univeristy working on structures in the solar wind. His pastimes include pestering Clare about Linux and making Adam feel old. Seriously, who remembers the 90s?

Chalkdust dissertation prize 2025
Calling all final-year students! This is your opportunity to get your work published as a Chalkdust article.
A symmetric universe
Sam Kay reflects on building a universe
The big argument: Should we write another issue?
How much barrel is left to scrape?
The big argument: What’s the best way to end a proof?
QED or $\square$?
Top Ten: Colours of chalk
The definitive chart of chalk's greatest colours
Proof by storytelling
Sit in your favourite chair and do away with those tedious algebraic proofs