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Uploaded by on Sep 5, 2007

Time travel, black holes and the theory of relativity explained in under four minutes. Directed by Alastair Pirrie.

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All Comments (3)

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  • You will be corrected...

    We don't know what a black hole does...

  • correct me if i'm wrong but doesn't a black hole just compress matter to a singularity?

  • Pretty sure I don't know too much more about the theory of relativity, time travel and blackholes. Decent video though.

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