
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 modelsCryptic wordsearch, Issue 19
Can you solve it?On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmionsSignificant figures: David Singmaster (1938–2023)
Colin Wright remembers the puzzle giant with a passion for sharingOn the cover: cellular automata
Discover the meaning of the coloured squares on the cover of issue 13Oπnions: Should I share my code?
Scroggs debates whether sharing truly is caring