img1 - Chalkdust

Sam is a maths student at Durham University where he hosts
Chalkboard Ultra podcast and spends too much time thinking about spinors. Outside of maths, Sam runs one of the university’s jazz bands.

The big argument: What’s the best way to end a proof?
QED or $\square$?
The science behind Santa Claus
Christmas is coming, and Santa will soon begin his journey. We analyse the science and maths behind his trip.
Top Ten: Geometry instruments
The definitive chart of the best tools
Top 10 emoji for use in mathematics
We take a look at the top 10 emojis!
Review of Elastic Numbers
We have a go at the puzzles in Daniel Griller's new book
Cracking the Guess Who? board game
Maths and Decision Theory to be the best at playing Guess Who?