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The sieve of Eratosthenes: revisited
How can we teach people about the sieve in a way that helps them best understand prime numbers?
Should you buy a Valentine’s day present?
For those of you tackling this dilemma, here's your answer...
Advent Calendar: 24 December
It's the last day of the Chalkdust advent calendar, so there must be something very good behind today's door...
Binary magic card trick
Behind today's door... A binary magic card trick!
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!