More from Chalkdust
Much Ado About Numbers
We review the fourth of this year’s nominees for Book of the Year
Significant figures: Gladys West
Madeleine Hall looks at one of the minds behind GPS
An odd card trick
Michael Wendl dissects some variants of the magic separation, a self-working card trick.
Tupper’s self-referential formula
A hideous equation that hides beautiful images, and much (much) more besides...
How to make: Christmas Special
Making gingerbread Platonic solids, Fröbel stars and Christmas flexagons
The Mpemba paradox
Why does warm water freeze faster than cold water?