A magazine for the mathematically curious

Protected: Getting access

Privacy & Cookies: This site uses cookies. By continuing to use this website, you agree to their use.

To find out more, including how to control cookies, see here: Cookie Policy

This content is password-protected. To view it, please enter your password below:

Password:

More from Chalkdust

Dear Dirichlet, Issue 22
Rhythm, rivers and rises pollute the prof's postbag this issue
NEW! Pop-math book club
Do you have lots of unread pop math books on your shelves? Join our new monthly online book club!
Things to make
Platonic shapes from tube maps, flexagons, and more mathematical craft
What’s hot and what’s not
Optimal Pac-Man
Ghostbusting with graph theory
Reinventing 2D
What a difference a matrix makes

Read also

Dear Dirichlet, Issue 22
Rhythm, rivers and rises pollute the prof's postbag this issue
NEW! Pop-math book club
Do you have lots of unread pop math books on your shelves? Join our new monthly online book club!
Things to make
Platonic shapes from tube maps, flexagons, and more mathematical craft

Chalkdust is published by Chalkdust Magazine, based in the United Kingdom. ISSN 2059-3805 (Print). ISSN 2059-3813 (Online).