
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 modelsOn the cover: Spirographs
Ashleigh Wilcox, Jenny Power and Rachel Evans show you how to draw pretty picturesCryptic wordsearch, Issue 19
Can you solve it?On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmionsThe phantom parabola
Zoe Griffiths investigates paranormal quadraticsSolutions to recent puzzles
Looking back at puzzles about complex numbers, tic-tac-toe, and the Eggnog Mystery