More from Chalkdust
Ode to Newtonian mechanics
(after Sonnet 130)
Cryptic crossnumber (including hints)
Looking for a challenge? Try our cryptic crossnumber—with hints and tips so anyone can have a go!
Mathematical Adventures!
We review the first of this year's nominees for the Book of the Year
Christmas puzzle #1: Christmas tree sudoku
Puzzle #1 in our 2020 Christmas puzzle series
The Hidden Half
We review the ninth of this year's nominees for the Book of the Year
Significant figures: Sir Christopher Zeeman
Biography of Sir Christopher Zeeman