Calum is a lecturer in physics at Edge Hill University where he studies topological solitons and enjoys talking about maths and physics to anyone who will listen. He can often be found on the side of a mountain or out on a bike, talking to himself about solitons.
More from Chalkdust

Oπnions: In defence of toy models
Calum gets on his soap box about toy models
A day in the life: finance
...of three recent grads, now working in finance.
Cryptic wordsearch, Issue 19
Can you solve it?
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
Page 3 model: Game of Thrones
Using graph theory to predict who will sit the iron throne
The science behind Santa Claus
Christmas is coming, and Santa will soon begin his journey. We analyse the science and maths behind his trip.
