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Rubbish. It's constructing a logical chain of events from the available data. Granted, you can get it wrong, but most of the time you'll be on pretty solid ground.
According to physics. It's never been verified by experimentation, no. But then neither had gravity waves or the Higgs boson until recently. All we had for over half a century was mathematical evidence for both. If your maths are good, you're on the right track.
Except you have no data or mathematical evidence. No such information exists regarding time travel, and it may very well never exist. Because it can’t be researched until someone actually manages to travel back in time. Until then, all you have is guesswork.
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So believe that if you want, but be prepared to have that belief overturned.
You’re the one making definitive statements about unknowable things.
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Really? How so? I can say with complete confidence their understanding of other scientific subjects has been pretty bad. Basic physics that they get wrong. Good entertainment, but lousy science.
Perhaps, but that’s a separate topic, so it’s unrelated.
