RSA

Today's digital world with its free flow of information, would not exist without cryptography to guarantee our privacy. Plus meets mathematician, author and broadcaster Simon Singh to find out about the science of secrecy.

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.

Maths in a minute: The Sydney Opera House

The mathematical puzzle behind the iconic structure.
Mysterious 6174

Start with your favourite four-digit number, follow these simple steps, and you'll never guess what happens next!
Our changing picture of gravity

To celebrate the recent centenary of the first major test of Einstein's general theory of relativity, we look back over how our picture of gravity has changed.
The PEMDAS Paradox

It looks trivial but it keeps going viral. What answer do you get when
you calculate 6÷ 2(1+2)? David Linkletter explains the source of the confusion.
Charmed beauty confirms particle theory

A new particle that has recently been discovered at CERN confirms predictions made by theoretical physicists over six years ago.

Tweets by plusmathsorg