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In Our Time
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PROGRAMME INFO |
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The big ideas which form the intellectual agenda of our age are illuminated by some of the best minds. Melvyn Bragg and three guests investigate the history of ideas and debate their application in modern life. |
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PRESENTER |
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BIOGRAPHY
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| "I'm fascinated by the fact that we live in a time when so many people are doing fantastic work, and thinking in areas which it's not remotely possible for me to keep up with & and these people are prepared to talk about it. They're prepared to come on In Our Time and other programmes on Radio 4 and try and talk to the rest of us ..." |
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PROGRAMME DETAILS |
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PI
In the Bible's description of Solomon's temple it comes out as three, Archimedes calculated it to the equivalent of 14 decimal places and today's super computers have defined it with an extraordinary degree of accuracy to its first 1.4 trillion digits. It is the longest number in nature and we only need its first 32 figures to calculate the size of the known universe within the accuracy of one proton.
We are talking about Pi, 3.14159 etc, the number which describes the ratio of a circle's diameter to its circumference. How has something so commonplace in nature been such a challenge for maths? And what does the oddly ubiquitous nature of Pi tell us about the hidden complexities of our world?
Contributors
Robert Kaplan, co-founder of the Maths Circle at Harvard University and co-author of The Art of the Infinite (Allen Lane, 2003)
Eleanor Robson, Lecturer in the Department of History and Philosophy of Science at Cambridge University
Ian Stewart, Professor of Mathematics at the University of Warwick
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