More from Chalkdust
Between a square rock and a hard pentagon: fractional polygons
A polygon with four and a half sides?!
Should you buy a Valentine’s day present?
For those of you tackling this dilemma, here's your answer...
Binary magic card trick
Behind today's door... A binary magic card trick!
What’s your favourite set?
Here we have collected our favourite sets, from the Mandelbrot set to the Mahut-Isner set!
Killing by numbers: the mathematics of warfare
A blast from the past. Modelling battle grounds from ancient Greece.
A counterintuitive result in the theory of traffic flow
Additional roads do not imply faster travel times!