More from Chalkdust
Fun phenomena in fluidsA selection of weird goings-on from the world of fluid mechanics
Christmas conundrum #4Can you solve four puzzles to reveal the hidden message?
Should you buy a Valentine’s day present?For those of you tackling this dilemma, here's your answer...
Binary magic card trickBehind today's door... A binary magic card trick!
Killing by numbers: the mathematics of warfareA blast from the past. Modelling battle grounds from ancient Greece.
A counterintuitive result in the theory of traffic flowAdditional roads do not imply faster travel times!