Portrait of Lord Melvyn Bragg, host of In Our Time

Roger Penrose

Emeritus Rouse Ball Professor of Mathematics at the University of Oxford

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5 episodes

Appears in multiple episodes with: Martin Rees

Covers topics in categories such as:

  1. Relativity

    Melvyn Bragg and his guests discuss Einstein's theory of relativity, a hypothetical framework that transformed our understanding of the universe.

    6 June 2013

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    Also featuring: Ruth Gregory, Martin Rees

     
  2. The Measurement problem in Physics

    Melvyn Bragg and guests discuss the the measurement problem, one of the deepest problems in contemporary physics.

    5 March 2009

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    Also featuring: Basil Hiley, Simon Saunders

     
  3. Dark Energy

    Melvyn Bragg discusses the recently discovered, and mysteriously named, 'dark energy' which may make up 70% of the universe.

    17 March 2005

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    Also featuring: Martin Rees, Carolin Crawford

     
  4. The Physics of Reality

    Melvyn Bragg discusses the attempt to reconcile Quantum Theory, which deals with the smallest, invisible particles or waves, and the larger scale classical physics of Newton and Einstein.

    2 May 2002

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    Also featuring: Fay Dowker, Tony Sudbery

     
  5. Consciousness

    Melvyn Bragg examines why the elusiveness and impenetrability of consciousness continues to fascinate both philosophers and scientists. Is the human mind just not built to understand its own basis?

    25 November 1999

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    Also featuring: Ted Honderich