Thursday, 3 March 2011

Ollie Williams explains black holes


  • Tom Tucker:And now over to Ollie Williams to find out why black holes are black, Ollie?
  • Ollie Williams:Light can't escape!
  • Tom Tucker:So light can enter a black hole, but not return?
  • Ollie Williams:Yes!
  • Tom Tucker:Isn't that a clear violation of the second law of thermodynamics, Ollie?
  • Ollie Williams:No!
  • Tom Tucker:Why, Ollie?
  • Ollie Williams:Has entropy!
  • Tom Tucker:How, Ollie?
  • Ollie Williams:Hawking radiation!
  • Tom Tucker:Thanks Ollie
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3 comments:

  1. Unknown3 March 2011 at 14:48

    Errr.....[goes to read his copy of "Universe In a Nutshell"]

    BTW: you recommend any good books/websites on this subject?

    ReplyDelete
  2. Anonymous3 March 2011 at 15:53

    and the first law of thermodynamics is...
    Is Ollie doing a Q&A session?

    ReplyDelete
  3. Ant5 March 2011 at 09:21

    An introduction to black holes, information and the string theory revolution seems a really good book. However, with my maths I really have to spend about 30 mins to an hour per page reading up. So it's probably fair to say most if not all of my information has come from the web :)

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