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?

Review of “Getting Triggy with it”
Find out what we thought of Matt Parker's 2025 Edinburgh Fringe show
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 $\square$?
How do calculators do trigonometry?
W.L. Feldhusen explains the obscure sine-finding trick hiding inside your calculator!