Black holes inspired Stephen Hawking's most controversial idea: if we can understand how time comes to an end in black holes, that might help us understand how time began in the big bang. Subscribe to Earth Lab for more science videos: http://bit.ly/SubscribeToEarthLab
Horizon: The Hawking Paradox
In 2004, Stephen Hawking admitted he had made a mistake. After nearly 30 years, the man who discovered black holes was claiming that his entire theory about them was wrong. The word was: the great man was losing it. In an intensely powerful and personal film, Horizon follows Stephen Hawking as he prepares to deliver the paper that he says will prove his doubters wrong, once and for all.
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