Machine learning is changing how we shop online
More from Chalkdust
Dear Dirichlet, Issue 21
Suits, sofas and sculptures punctuate the prof's postbag this issue
Unknown pleasures: pulsars and the first data revolution
The scientific story behind the cover of Joy Division's treasured debut
What’s hot and what’s not, Issue 09
Fashion is fleeting, Chalkdust regulars are not.
On the cover: Chladni figures of a square drum
Find out more about the patterns on the cover of Issue 07
In conversation with Cédric Villani
We feel underdressed for Breakfast at Villani's
The joys of the Jacobian
Robert Smith? tells us how his favourite matrix saves lives