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
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
Slaying the dragon
Callum Ilkiw takes us through a Dungeons and Dragons dice dilemma
Debugging insect dynamics
Explain the strange dynamics of certain insects using game theory
Page 3 model: When zombies attack
Every issue we feature another great model on page 3 of our magazine. This time we look at what to do when zombies attack.
