interview-img0 - Chalkdust

Alison fondly remembers inscribing quadrilaterals from her school days

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
Chalkdust issue 11 puzzle hunt #2
TD Dang sets the second puzzle. Can you solve it?
The digital sum of the products of twin primes is 8?
What connects the products of twin primes with something you learnt in primary school and the number 8?
Problem solving 101
Never be stumped by a maths problem again, with this crash course from the ever-competent Stephen Muirhead