img4 - 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
Much Ado About Numbers
We review the fourth of this year’s nominees for Book of the Year
The big argument: Should we write another issue?
How much barrel is left to scrape?
Markov unchained
Ashleigh Wilcox looks for integer solutions to the Markov equation
The big argument: What’s the best way to end a proof?
QED or $\square$?
On conditional probability: Cards, Covid, and Crazy Rich Asians
Madeleine Hall explores the sometimes counterintuitive consequences of conditional probability to our everyday lives.