## Podcast 11, June 2008: Catching waves

Submitted by plusadmin on June 5, 2008
The Fourier transform is a piece of maths that is, almost single-handedly, responsible for the digital revolution. Digital music and images would be impossible without it and it has applications in anything from
medical imaging to landmine detection. 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.

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