More from Chalkdust
My secret
Julia Schanen hates being mistaken for a genius.
Prize crossnumber, Issue 14
Win a £100 Maths Gear goody bag by solving our infamous puzzle
Hiding in plain sight
Axel Kerbec gets locked out while exchanging keys
Deal or no deal?
Mike Fletcher explores the optimal strategy for winning the popular television game show
The magnetic pendulum
A tabletop demonstration of chaos.
Power-up review
"Unlocking the hidden mathematics in video games"