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Hawking: We Need to Leave Earth
Renowned scientist Stephen Hawking says we have 1000 years left on Earth before all the planet's resources will be used up. Laci looks at the problems we'll face and Hawking's solution to saving humanity.
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Hawking: We Need to Leave Earth
Renowned scientist Stephen Hawking says we have 1000 years left on Earth before all the planet's resources will be used up. Laci looks at the problems we'll face and Hawking's solution to saving humanity.
Date: 4/19/13
Views: 7507
Video by:  Revision3
 
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