img4 - Chalkdust

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 80s?

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 $\square$?
Routes: Edsger Dijkstra
In this edition of the series, we instead learn about 'routes' and Edsger Dijkstra's shortest path algorithm.
Prize crossnumber, Issue 06
Win £100 of Maths Gear goodies by solving our famously fiendish crossnumber