img22 - Chalkdust

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.

In conversation with Anne Skeldon
Sam Kay and Ellen Jolley race against the body clock with the University of Surrey professor
Crossnumber winners, Issues 20–22
Did you solve it?
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
Making a Möbius strip
Sophie Bleau chops up, unravels, and squeezes the torus into shape

More from Chalkdust

In conversation with Anne Skeldon

Crossnumber winners, Issues 20–22

Oπnions: In defence of toy models

Cryptic wordsearch, Issue 19

On the cover: skyrmions

Making a Möbius strip