## Podcasts

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The Universe is an infinitely self-perpetuating foam of bubbles.

Open door number 6 and step inside a mathematical space!

The Fourier transform is a piece of maths that is, almost single-handedly, responsible for the digital revolution. We asked Chris Budd what the Fourier

transform does, and how it does it. This podcast accompanies the Plus

article Saving lives: The mathematics of tomography.

We asked cosmologist Pau Figueras everything we’ve ever wanted to know about black holes. In this podcast he explains what black holes are, physically, and how we hope to observe them.

It's the time of the year for cough sweets, flu medication and paracetamol. But how do we know these and other medicines really work?

Find out about what's involved in building a football stadium and why it requires listening to Belgian techno.

We talk to Maryna Viazovska, who in 2016 made a breakthrough in the theory of sphere packings.