front-cover - 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.

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
Hedy Lamarr: Hollywood star and secret inventor
James Grime gets intimate with 'the most beautiful woman in the world' from the golden age of Hollywood
Dear Dirichlet Valentine’s Day special
Agony uncle Professor Dirichlet answers your personal problems this Valentine's Day.
In conversation with Artur Avila
Chatting with a Fields Medallist in a Leicester Square pub