Quote:
Originally Posted by PKFFW
Stephen Hawking once guess starred on Star Trek TNG. He was given a tour of the sets after telling them he had always been a big fan.
When he saw the set for the warp engine he said "I'm working on it."
I don't know if faster than light travel will ever be possible but if Stephen Hawking gives the idea enough credit to even suggest that it might be, then I certainly wouldn't want to be the one to claim I know it will never be.
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I think Hawking was joking
But in his 'Brief History of Time' he seems to imply that time travel doesn't necessarily have to breach the laws of physics.
Still, does it matter if it's not possible? It is a plot device that can help an author explore the human condition, so as long as it is at least explained in a plausible way I have no issue.