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The paradox I see in traveling back is the placements of atoms.
All the atoms that built the cells in your body would go back to their original place, and since you replace quite a lot a cells a day you would disintegrate while traveling back.
It might be possible to go to the future though if U don't stay too long you could even go back.
reply to post by Gazrok
That's the crux of my argument...matter is matter, info is info... The idea of paradox seems to "require" some kind of divine sense of "correctness" on the part of the Universe.
Originally posted by Gazrok
So, now, I calculate the way back, open my wormhole, and POOF! I'm home. Nothing has changed. Why? Simple, I returned to the same place/time that I left, no Paradox, because THAT location (by the 4 dimensions) is not "magically" affected by alteration of the past. Granted, one has to wonder what happened to the past world that I left, I mean, did it create some kind of alternate Universe just by one act? That seems a bit drastic. Theoretically, I could create an alternate Universe just by deciding not to wear socks tomorrow...??? Not buying it. Perhaps it's just like relativity itself...it only changes for the observer, not the actual people in the past? It's a lot to ponder, and tricky, but does Paradox automatically mean its impossible? I can't see how.
Super Mods have super bad ideas...
I can think of several things that are not plausible in all possible worlds: