More from Chalkdust
Top ten vote issue 16
Have your say
How Polish cryptographers first broke the unbreakable cipher
Kimi Chen deciphers the 1920s story you haven’t heard
On √2
Yiannis Petridis connects square roots and continued fractions
Deal or no deal?
Mike Fletcher explores the optimal strategy for winning the popular television game show
Football free-kicks… taken by Newton
Discover the mysteries behind the most spectacular free-kick ever scored and how Newton can help us to simulate it.
Slide rules: the early calculators
When slide rules used to rule... find out why they still do