symmetry-img5 - Chalkdust

Spinning basketballs at different angles

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 $\square$?
How to Make the World Add Up
We review the third of this year's nominees for the Book of the Year
Christmas lights, trees and maths
Why do Christmas lights get tangled? And what's the perfect way to decorate a Christmas tree? Find the answers here.
Prize crossnumber, Issue 06
Win £100 of Maths Gear goodies by solving our famously fiendish crossnumber