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A conversation with Stephen Cook

We talk to pioneering mathematician Stephen Cook, who came up with the concept of NP-complete problems, about his work, computer science, and artificial intelligence.
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What's your problem?

There are problems that are easy to solve in theory, but impossible to solve in practice. Intrigued? Then join us on a journey through the world of complexity, all the way to the famous P versus NP conjecture.

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tessellation

On the tiles

Our colleague Becky Warren has been distracting us with her wonderful tiling puzzles...
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What is the Mandelbrot set?

This article gives a short but thorough introduction to that fabled beast of mathematics: the Mandelbrot set.
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Maths goes to the movies

Got your popcorn? Picked a good seat? Are you sitting comfortably? Then let the credits roll...
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Energetic maths

Producing electricity securely, safely, reliably and cheaply has many challenges. Chris Budd explains that the answer to many of these issues is maths.
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Smale's chaotic horseshoe

Want to understand chaos? Then have a look at this famous brainchild of the mathematician Stephen Smale.