More from Chalkdust
What’s hot and what’s not, Issue 11
Fashion is fleeting, Chalkdust regulars are not.
Crocheting fractals
Ever thought about making your own fractal?
What is the point of intersection?
Elizabeth A Williams falls off a log
Ten things you didn’t notice in Issue 06
You won't believe number 5!
Slide rules: the early calculators
When slide rules used to rule... find out why they still do
Music playlists, Facebook and Twitter
Here is a very exciting way to measure how similar is your music playlist between your friends, or how similar are your Facebook contacts.