geoid - Chalkdust

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.

On the cover: Spirographs
Ashleigh Wilcox, Jenny Power and Rachel Evans show you how to draw pretty pictures
In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
Celebrating simple mathematical models
Hollis Williams explores the power even simple models can have in describing the world around us.
So You Think You’ve Got Problems?
We review the fifth of this year's nominees for the Book of the Year
Oπnions: Can a horse have an Erdős number?
Lucy Rycroft-Smith reflects on the use of this well-established measurement
How to make: a slide rule
Make calculations easy with this simple-to-make slide rule