More from Chalkdust
Poly-π
Clem Padin calculates π, but not as we know it
Page 3 model: To betray or not to betray?
That is the question
Why Study Mathematics?
We review the fifth of this year's nominees for the Book of the Year
How to make: a Möbius Surprise
Surprise yourself by making this thing
Domino tiling & domineering
John Dore and Chris Woodcock join the dots
Advent puzzles I
Behind the second door of the advent calendar, there is a puzzle