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- Hawking focused on something called the information paradox, which continues to puzzle scientists who study black holes. In a nutshell, the paradox involves the fact that information about the star that formed a black hole seems to be lost inside it, presumably disappearing when the black hole inevitably disappears. These things cannot be lost, according to the way we think the universe works, and physicists generally believe that they aren't really lost. But where does the information go when the black hole that's absorbed it goes kaput?
