img10 - Chalkdust

. . . a possible Morse function on two
glued triangles

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
Topological tic-tac-toe
Alex Bolton plays noughts and crosses on unusual surfaces
Dear Dirichlet, Issue 06
Prof. Dirichlet tackles archaeology and supercomputers in answering your personal problems
Seeing double
Take a ball, divide it into parts, glue them back and get two identical copies of your ball!

More from Chalkdust

Oπnions: In defence of toy models

Cryptic wordsearch, Issue 19

On the cover: skyrmions

Topological tic-tac-toe

Dear Dirichlet, Issue 06

Seeing double