More from Chalkdust
Dear Dirichlet, Issue 15
Weddings, holidays and catfish find their way into the prof's postbox this issue.
The hidden harmonies of Hamming distance
Chris Boucher explores the secrets and symmetries behind a measure of the distance between binary strings
Page 3 model: The potato Earth
How Kelvin estimated the age of the Earth by thinking about a baked potato
Pawns, puzzles, and proofs
Dimitrios Roxanas tells us why playing chess backwards is the new black (and white).
Christmas puzzle #3: Colouring by numbers
Puzzle #3 in our 2020 Christmas puzzle series
Crocheting fractals
Ever thought about making your own fractal?