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Last Updated: Monday, 12 March 2007, 11:41 GMT
The Theory of Everything
big bang
Will scientists ever discover the origins of the Universe?

Stephen Sackur talks to the theoretical physicist Lee Smolin about the future of the Universe and his concerns about the approach scientists have been taking to determine its evolution.

How did the universe come to be?

Are there laws of physics which explain everything from the smallest particles to black holes?

Theoretical physicist Lee Smolin is hoping that a hugely expensive experiment in particle physics to be conducted in a tunnel under a Swiss mountain may answer these questions.

In his new book "The Trouble with Physics" he argues that scientists have been misled by a damaging dogma, so-called "string theory".

Stephen Sackur asks him if that isn't the answer, what is?

HARDtalk can be seen on BBC World at 0430 GMT 0930 GMT 1430 GMT 1930 GMT 0030 GMT.

It can also be seen on BBC News 24 at 0430 and 2330.


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