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 sudokuPuzzle #1 in our 2020 Christmas puzzle series
The Hidden HalfWe review the ninth of this year's nominees for the Book of the Year
Significant figures: Sir Christopher ZeemanBiography of Sir Christopher Zeeman