symmetry-img2 - Chalkdust

Throwing a ball from two platforms in an otherwise empty universe

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 $\square$?
Page 3 model: Ponytails
Many mysteries about hair are now revealed with the ponytail shape equation
Page 3 model: When zombies attack
Every issue we feature another great model on page 3 of our magazine. This time we look at what to do when zombies attack.