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Chris Bishop is a second year Mathematics with Economics student at UCL with a keen interest in applying mathematics in optimisation problems in real-world scenarios.

In conversation with Eugenia Cheng
We chat to the author of the best-selling book How to Bake Pi and pioneer of maths on YouTube
On the cover: Hydrogen orbitals
Find out more about the weird shapes on the cover of Issue 08
The new Chalkdust T-shirt
Have you been wondering what the pattern on it means?
Chalkdust’s Christmas conundrums
As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!
Going once, going twice… game theory?
A quick look at how to get the most bang for your buck the next time you're in a bidding war
Puzzles on square grids
How to make Sudoku more interesting