centrifugal force

How large are the forces acting on a gymnast swinging on the high bar?

Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

A strange definition of perfect

Perfect numbers have foxed mathematicians for over 2000 years. Here's a quick look at the long struggle to find them.
Football sweepstakes: Levelling the playing field

With just a few months to go until the UEFA European Cup, here's how you can make your office sweepstake a lot fairer and more exciting.
Maths in a minute: Hawking radiation

Nothing, not even light, can escape from a black hole. Or can it? Find out about one of Stephen Hawking's most radical results.
Fighting the coronavirus

As the world prepares for the worst, we explore the maths that can help us stop a pandemic.
Maths in a minute: The information paradox

Explore a mystery that intrigued Stephen Hawking until the end of his life.