BBC Horizon - Who's Afraid of a Big Black Hole?

Aired 11-3-09 on the BBC.

Playlist: http://www.youtube.com/view_play_list?p=58211B49FA51CBF3

"Black holes are one of the most destructive forces in the universe, capable of tearing a planet apart and swallowing an entire star. Yet scientists now believe black holes could hold the key to answering the ultimate question - what was there before the Big Bang?"
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