## Articles

The cosmic microwave background is the earliest light we can see in the Universe. So important is this baby picture of the Universe, it's been involved in two Nobel Prizes. Why?

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.

*dark matter*. But if it's invisible how do they know it's there?

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

Why your muesli shakes down in unexpected ways.

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.

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