Alex Doak is a PhD student at UCL researching fluid mechanics.
alexander.doak.11@ucl.ac.uk
alexander.doak.11@ucl.ac.uk
More from Chalkdust

Christmas puzzle #3: Colouring by numbers
Puzzle #3 in our 2020 Christmas puzzle series
Top Ten: pictures of scorpions
The definitive chart of the best pictures of scorpions
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.
A counterintuitive result in the theory of traffic flow
Additional roads do not imply faster travel times!
