More from Chalkdust
Notched edge cards
Joe Celko makes a database from card and knitting needles
How to make: a chaotic scatterer
Make your own scatterer from some old Christmas decorations
On the cover: dragon curves
Read more about the fire-breathing curves that appear on the cover of issue 05
Advent puzzles I
Behind the second door of the advent calendar, there is a puzzle
What’s hot and what’s not, Issue 03
Maths is a fickle world. Stay à la mode with our guide to the latest trends.
How much will I win on the new National Lottery?
What difference will an extra 10 balls make?