Hawking's daughter: 'You could ask my dad any question'
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Stephen Hawking's daughter Lucy: 'You could ask my dad any question'

Lucy Hawking describes the moment her famous scientist father, Doctor Stephen Hawking, was asked by a child - what happens if you fall into a black hole?

"As a child you could ask any question you wanted - and get a reply," she said.

Go to next video: Hawking's illustrated black hole lecture