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?
A daredevil’s disaster
Donovan Young goes round the bend exploring what happens when the loop-the-loop goes wrong
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
Solutions to recent puzzles
Looking back at puzzles about complex numbers, tic-tac-toe, and the Eggnog Mystery
Crossnumber winners, Issue 07
Did you solve it?

More from Chalkdust

Oπnions: In defence of toy models

Cryptic wordsearch, Issue 19

A daredevil’s disaster

On the cover: skyrmions

Solutions to recent puzzles

Crossnumber winners, Issue 07