Taking apart the CMB picture using the maths of sound.
Cosmology has an ambitious goal: to understand the Universe in its entirety. Find out more here.
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.
Since he Universe is all there is, there's nothing for it to expand into. So what does "expansion" mean?
Cambridge mathematicians and physicists remember their most famous colleague with fondness.
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?
From communication technology to LCD displays: crystals are a hugely important part of modern life. Find out more about them with this article.