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
Chalkdust issue 11 – Coming 17 April
Issue 11 of everyone's favourite magazine for the mathematically curious is coming very soon
Page 3 model: Traffic flow
Ever been stuck in motorway traffic which seems to have no reason? A model for traffic flow explains why.
The perils of p-values
David Colquhoun explains why more discoveries are false than you thought
