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Genius by Stephen Hawking
Black Holes
The volunteers arrive on Arizona University campus to find a wooden trunk and eight clocks. They set up the black hole challenge. They notice that the clocks closest to the black sphere run slower than those further away. They realize that the inflatable is their black hole, and they must work out how they can use it to travel forward in time.
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54:41
Three volunteers set out to find an amazing realization about the nature of life itself.
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54:41
The group experiments with cars and balloons to understand the origin of the universe.
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54:40
Stephen Hawking sets three challenges to find out if we could be time travelers.