We've got to confess that when we started putting our short research films on YouTube and social media, we thought the applied maths films would be more popular than the pure maths films.

We were wrong.

Here's Nathan Creighton in the third episode of 'Show Me the Maths', short films that unashamedly get down to the detail.

Go to the playlist for more films in the series:    • Show Me the Maths