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Posted 2004-09-26, 05:10 AM
in reply to Lenny's post starting "Time machines are a paradox. Take the..."
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Lenny said:
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Time machines are a paradox. Take the example that you can go forward into the future and see yourself. You would then travel back to present day, and most people would try to change their future. But that means that the future they saw could never exist because they just changed it, or that the one they saw was the changed one, but then that couldn't have been because they had not yet seen it to go back and change it.
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Wrong. If you go ahead of time to see a future you, that means your future you, at a younger age, went forward in time to see his future self. Its a loop. Also, for time travel to work, the dimensions, universes or whatever, that constitute the place in time that you are in must be linked to each other in some way. What you are saying depends on that. Same with my theory.
There is a sort of "One way time machine" theory that can only get you into the future. Scientists, using the theory of relativity, state that as an object approaches the speed of light, time slows down for it. So, theoretically, if a spacecraft could attain the speed of light minus 1 mph, while one hour passes for you, a trillian years could have passed for the earth. You'd emerge from your 2-3 hour trip to notice that the sun has long since nova'd and there is nothing left of earth.
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