img0 - Chalkdust

Sam is a maths student at Durham University where he hosts
Chalkboard Ultra podcast and spends too much time thinking about the Standard Model and Mexican hats. If he’s not pestering Adam then he can definitely be found playing the keytar in a funk band completely unrelated to quantum field theory.

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 $\square$?
I don’t like science fiction
Peach Semolina admits her true feelings about science fiction, and delves into the maths of quantum teleportation.
Colouring for mindfulness
Florian Bouyer explains the beautiful geometry behind his mathematical colouring-in designs.
Ace
How tennis players spin and slice their serves