cover - Chalkdust

Image of ghost produced by double exposure, The National Archives UK

Tom is a PhD student in the UCL Physics Department, simulating atomic collisions. He likes to think that what he does ‘technically counts as maths.’

Chalkdust issue 14 – Coming 22 November
Enter stage left: Chalkdust issue 14. Preorder now!
On the cover: Hydrogen orbitals
Find out more about the weird shapes on the cover of Issue 08
Integration: It’s more than the sum of its parts
Defining what exactly an integral is leads naturally to an explanation of how to handle approximating them.
Machine learning 101
Start your quest to conquer the planet with this introduction to the wonderful world of machine learning
The n days of Christmas
Get into the ChristMATHS spirit with the maths behind the popular Christmas carol!
Puzzles on square grids
How to make Sudoku more interesting