Articles

Ping pong balls, infinity and superpowers

Playing with infinity can lead to surprising outcomes – find out how with a big bag of balls and some superpowers.

Chaos from order

How simples rules can result in very complex outcomes.

Order behind chaos

We all know what symmetry is. But why does it play such a central role in modern physics?

Symmetry making and symmetry breaking

A closer look at the power of symmetry in physics.

Laws and disorder

Can simple equations really describe the complex world we live in?

Infinite sums and China's demographics

China has recently revoked its one-child policy. What better occasion to explore the mathematics of population growth with a surprising example.

Maths in a minute: Bayes' theorem

It would be foolish to ignore evidence. Luckily Bayes' theorem shows us how to take it in into account.

The maths of February 29

Find out why leap years exist, why you have to wait 400 years for your birthday pattern to repeat, and why there are so many Fridays falling on a 13th.

What are sigma levels?

Find out how scientists, from physicists to geneticists, measure their confidence in their results.

It from bit?

Does reality arise from information? What does this even mean? Anton Zeilinger explains the impact of John Wheeler's radical idea.

Inferring the Limits on Reality

The fuzziness of the quantum realm could arise from mathematical restrictions on what can ever be known.

Maxwell's equations and the secrets of nature

Celebrating the 150th anniversary of Maxwell's equations we talk to physicist John Ellis about what they mean for modern technology and our understanding of the Universe.