## geometry

Need to find the least common multiple or greatest common divisor of two numbers? A billiard table of the right proportions holds the answers!

Can physics do for maths what maths has done for physics?

The great thing about geometry is that you can sometimes prove things using pictures. Enjoy these three great visual proofs of Pythagoras' theorem!

How will the Universe end? In a big crunch? Or a big freeze? It all depends on its shape...

How Heron of Alexandria missed his chance to explore the unknown mathematical land of complex numbers.

Got your popcorn? Picked a good seat? Are you sitting comfortably? Then let the credits roll...

PhD student June Park talks to us about geometry and number theory.

Furniture designer Charles Trevelyan talks about the importance of maths in designing structures that are not only beautiful but also strong.

What shape of cone maximises the ice cream to wafer ratio?

If you want to climb vertical walls you need very large feet — or be as small as a gecko.