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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!
Killing by numbers: the mathematics of warfare
A blast from the past. Modelling battle grounds from ancient Greece.
You can count on Dirichlet
Counting the divisors of an integer turns out to be a rather hard problem
A counterintuitive result in the theory of traffic flow
Additional roads do not imply faster travel times!
Time turns backwards at the Spark Festival
The extreme weirdness of slow viscous flows, and why borrowers shouldn't use doggy paddle.