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
Closing the Gap
A review of Vicky Neale's new book about the quest to understand prime numbers.
A few of Euler’s masterpieces
``Read Euler, read Euler, he is the master of us all." -- Laplace. An invitation to join us in celebrating Euler's 311th birthday by appreciating a few of his great contributions to mathematics.
What’s hot and what’s not, Issue 05
Mathematical fashion advice for an ever-changing world
