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 YearChristmas puzzle #1: Christmas tree sudoku
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We review the ninth of this year's nominees for the Book of the YearSignificant figures: Sir Christopher Zeeman
Biography of Sir Christopher Zeeman