More from Chalkdust
Page 3 model: Ponytails
Many mysteries about hair are now revealed with the ponytail shape equationHeads and Tails
An unexpected way to beat the odds in this classic gameSurname extinction
Why do surnames die out? We take a look at the Galton-Watson process for modelling the extinction of surnames to answer the question: 'When will we all be Smiths?'The mathematics of brewing
While drinking beer in your favourite pub, have you ever wondered how it is produced? Find here some of the science and mathematics behind brewing.Review of Elastic Numbers
We have a go at the puzzles in Daniel Griller's new bookDonald in Mathmagic Land
Donald Duck learns that there is “a lot more to mathematics than two-times-two”.