The Laplacian operator turns up all over maths. Here's a reasonably light-touch introduction and a look at why it forms part of the wave equation.
Can you hear the shape of a drum? The question leads to surprisingly rich mathematics that has a huge rage of applications. Find out more with this collection of content.
If you sprinkle sand on a vibrating plate it forms the most beautiful patterns. We explore why that happens, what it has to do with mathematical pioneer Sophie Germain, and how the question opens up a huge range of maths.
The sound of a plucked string depends on how long it is, so you can hear the length of a string. But can you hear the shape of a drum?
