Monday 7 August 2006
by Wilf Hey
- Sitting in the bath one day, Wilf (just like Archimedes) has a stunning insight...
Mathematical games often have a delightful compulsion to them: think back a few decades to the Rubik cube, which gradually swept much of the world’s population under its power. In other times we have seen the “Fifteen-Sixteen” puzzle – a square divided into fifteen squares (and one missing gap) where you could slide an adjacent square into the gap, leaving the gap behind it.