More from Chalkdust
The problem with addition
It doesn’t add up for Patrick Creagh
The ninth Dedekind number
Madeleine Hall is a Dedekind-ed follower of fashion
Dear Dirichlet, Issue 15
Weddings, holidays and catfish find their way into the prof's postbox this issue.
Mathematics for the three-fingered mathematician
Robert J Low flips one upside down.
Linear algebra… with diagrams
Rediscover linear algebra by playing with circuit diagrams
Time turns backwards at the Spark Festival
The extreme weirdness of slow viscous flows, and why borrowers shouldn't use doggy paddle.