Portrait of Lord Melvyn Bragg, host of In Our Time

Principles

A principle is a proposition or value that is a guide for behavior or evaluation. In law, it is a rule that has to be or usually is to be followed.

3 episodes

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  1. Heisenberg's Uncertainty Principle

    Melvyn Bragg and guests discuss Werner Heisenberg's breakthrough, aged 23, that led to Nobel Prize judges celebrating him as the creator of quantum mechanics.

    29 February 2024

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    Featuring: Fay Dowker, Harry Cliff, Frank Close

     
  2. Laws of Nature

    Melvyn Bragg discusses the quest to find a single over-arching equation that unites all of physics and examines whether what is true in physics is true in all areas of existence.

    19 October 2000

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    Featuring: Mark Buchanan, Frank Close, Nancy Cartwright

     
  3. The Unintended Consequences of Mathematics

    Melvyn Bragg and guests explore the unintended consequences of mathematical discoveries, from alternating current to predicting the path of asteroids.

    11 February 2010

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    Featuring: John D. Barrow, Colva Roney-Dougal, Marcus du Sautoy