tikz2 - 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
How can we tell that 2≠1?
Maynard manages to prove that 2≠1 in less space than it took Bertrand Russell to prove that 1+1=2
You don’t need permission to be a great mathematician!
Nira Chamberlain, one of the UK's top 100 scientists, shares his experiences as a black mathematician.
Dear Dirichlet Valentine’s Day special
Agony uncle Professor Dirichlet answers your personal problems this Valentine's Day.