"When you're doing a film called Interstellar, at some point -- the idea was to be grounded in the science as much as possible -- but with a name like Interstellar, you had better go somewhere big and bold.
The nice thing about a black hole is, nobody actually knows what's on the event horizon. So the idea that it might be a place and the sequence that plays out there is a metaphor for -- and it was really the theme of the film -- the connection between human beings, right? The connection between us an...
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