More from Chalkdust
Chaotic scattering: uncertainty and fractals from reflections
James M Christian reflects on chaosCrossnumber winners, issue 11
Did you solve it?Topological tic-tac-toe
Alex Bolton plays noughts and crosses on unusual surfacesThe Indisputable Existence of Santa Claus – A review
Behind today's door... A book review!Our Favourite Blogs
A selection of our favourite mathematical blogsIntroducing the Chalkdust blog
We have some fantastic blog articles, and this is how we plan to publish them.