![](https://i0.wp.com/chalkdustmagazine.com/wp-content/uploads/2015/02/AlexDoak-1.jpg?resize=150%2C150)
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
Read Issue 19 now!
Drinks orders, integer mysteries and the new LMS president feature in our SS24 issue! Plus all your favourite puzzles & columns.Issue 08
Swing on a magnetic pendulum into our autumn 2018 issue. Topological tic-tac-toe, maths, cake, categories, plus all your favourite regulars.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!