## Articles

Some of the Universe's most important secrets are hidden in the shape of a beautiful undulating curve: the power spectrum of the cosmic microwave spectrum. This article explains how.

To understand the why the cosmic microwave background tells us so much about the Universe, you first need to understand what created it: sound waves travelling through the early Universe.

Cosmology has an ambitious goal: to understand the Universe in its entirety. Find out more here.

Cambridge mathematicians and physicists remember their most famous colleague with fondness.

Since he Universe is all there is, there's nothing for it to expand into. So what does "expansion" mean?

Why your muesli shakes down in unexpected ways.

How do you make a stealth aircraft that's invisible to radar? An area of maths called random matrix theory holds the answer.

Fully functioning invisibility cloaks are closer to becoming a reality than you might think. Here's a quick look at the maths and science involved in producing them.