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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.

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
In conversation with Kat Phillips
Bethany Clarke and Ellen Jolley talk research, raids, and rugby with the Twitch streamer
Prize crossnumber, Issue 11
£100 of MathsGear goodies to be won if you can solve it
Bells, braids and taxicabs
An adventure that starts with a morning of bell ringing and ends with a mad dash in a taxi

More from Chalkdust

Oπnions: In defence of toy models

Cryptic wordsearch, Issue 19

On the cover: skyrmions

In conversation with Kat Phillips

Prize crossnumber, Issue 11

Bells, braids and taxicabs