Helen-desk - Chalkdust

Helen tries to remember her password

Bea is a PhD student in the computer science department at UCL. Since joining the team she’s found that the other editors find the phrase ‘it needs more white space’ very triggering.

Significant figures: David Singmaster (1938–2023)
Colin Wright remembers the puzzle giant with a passion for sharing
In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
Chalkdust issue 11 puzzle hunt #2
TD Dang sets the second puzzle. Can you solve it?
The Maths of Life and Death
We review the sevnth of this year's nominees for the Book of the Year
Cardioids in coffee cups
Staring at your coffee, you wonder whether the light reflecting in cup really is a cardioid curve...
The spider witch project
Constructing a spiderweb: in the spookiest and most horrific way possible!