The Multiverse

21 Feb, 2008 520 Astronomy

Melvyn Bragg and guests will be leaving the studio, the planet and indeed, the universe to take a tour of the Multiverse. If you look up the word ‘universe’ in the Oxford English Dictionary you will find the following definition: “The whole of created or existing things regarded collectively; all things (including the earth, the heavens, and all the phenomena of space) considered as constituting a systematic whole.” That sounds fairly comprehensive as a description of everything, but for an increasing number of physicists and cosmologists the universe is not enough. They talk of a multiverse - literally many universes - to explain aspects of their theory, the character of the universe and the riddle of our existence within it. Indeed, compared to the scope and complexity of the multiverse, the whole of our known reality may be as a speck of sand upon a beach.The idea of a multiverse is still controversial, some argue that it isn’t even science, because it is based on an idea that we may never be able to prove or even see. But what might a multiverse be like, why are physicists and cosmologists increasingly interested in it and is it really scientific to discuss the existence of universes we may never know anything

Listen on BBC Sounds website


  • Martin Rees 9 episodes
    President of the Royal Society and Professor of Cosmology and Astrophysics at the University of Cambridge
  • Fay Dowker 4 episodes
    Reader in Theoretical Physics at Imperial College
  • Bernard Carr No other episodes
    Professor of Mathematics and Astronomy at Queen Mary, University of London

Related episodes

Programme ID: b008z744

Episode page:

Auto-category: 523.1 (Universe)

Hello (First sentence from this episode) Hello. If you look up the word universe in the Oxford English Dictionary, you'll find the following definition.