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seen Aug 8 '12 at 16:57

Aug
8
comment If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?
Well, paragraph four is just an aside, the real question is paragraph three.
Aug
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comment If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?
What I mean is, if we can prove that the universe is infinite, would that not immediately disprove that near-instantaneous travel through time and space is possible? Because if it were possible, the chance of my doppelganger (or any traveller for that matter) visiting me would be 1 (since there would always be someone doing so in an infinite universe in which such travel would be possible).
Aug
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comment If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?
In addition to my previous comment: en.wikipedia.org/wiki/Infinite_monkey_theorem
Aug
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comment If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?
"Time travel may be a physical impossibility - an infinite universe won't change that.", I'm sorry but did you read my question? I know that and I clearly stated: "if we accept that the universe is infinite and it's possible to travel through time and space near-instantaneously"
Aug
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comment If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?
"Infinite doesn't have to mean everything happens." Not everything, but if there is a remote chance, it will (i.e. a monkey typing the complete works of shakespeare by chance). Check out the doc. for the rationale behind this.
Aug
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comment If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?
Well, your second set of assumptions are all covered by the first set: if the universe is infinite there will always be someone who wants to do that (if it's theoretically possible, according to the profs in the doc.).
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awarded  Editor
Aug
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revised If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?
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Aug
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Aug
8
asked If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?