
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 skyrmionsPawns, puzzles, and proofs
Dimitrios Roxanas tells us why playing chess backwards is the new black (and white).Crossnumber winners, issue 11
Did you solve it?Newsletter puzzles
These puzzles appeared in the Chalkdust newsletters. You can find the answers here and sign up for the newsletter here.