December 2011
8 posts
November 2010
2 posts
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Because of the possibility of influencing the past while time traveling, one way of explaining why history does not change is by saying that whatever has happened must happen. A time traveler attempting to alter the past in this model, intentionally or not, would only be fulfilling their role in creating history as we know it, not changing it. Or that the time-traveler’s personal knowledge...
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The paradox is this: suppose a man travelled back in time and killed his biological grandfather before the latter met the traveller’s grandmother. As a result, one of the traveller’s parents (and by extension the traveller himself) would never have been conceived. This would imply that he could not have travelled back in time after all, which means the grandfather would still be alive,...
October 2010
1 post
August 2010
4 posts
