More from Chalkdust
My favourite LaTeX packageThe Chalkdust editors share some of their favourites
In conversation with Ulrike TillmannSophie Maclean and David Sheard speak to a very top(olog)ical mathematician!
Page 3 model: SolitonsSolitons
Chalkdust issue 11 puzzle hunt #3David Sheard sets the third puzzle. Can you solve it?
On the cover: Apollonian packingDavid Sheard explores the rich mathematics and history behind the Apollonian packing, and the cover of issue 11
Music playlists, Facebook and TwitterHere is a very exciting way to measure how similar is your music playlist between your friends, or how similar are your Facebook contacts.