Quote:
Originally Posted by ikthius
time travel to the future was possible with concorde, but it is no longer in service
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The effect is not limited to riding in concorde. (See
here)
Anyway I digress.
Yes time travel of a form is already a reality, but it's hardly at a level where we have to worry about things like the Twins Paradox.
I wouldn't be surprised it 'proper' time travel does happen but the amount of energy to do it would be huge so I don't think it'll be done any time soon.