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There Is No "You" In a Parallel Universe
StartsWithABang (3485481) writes "Ever since quantum mechanics first came along, we've recognized how tenuous our perception of reality is, and how — in many ways — what we perceive is just a very small subset of what's going on at the quantum level in our Universe. Then, along came cosmic inflation, teaching us that our observable Universe is just a tiny, tiny fraction of the matter-and-radiation filled space out there, with possibilities including Universes with different fundamental laws and constants, differing quantum outcomes existing in disconnected regions of space, and even the fantastic one of parallel Universes and alternate versions of you and me. But is that last one really admissible? The best modern evidence teaches us that even with all the Universes that inflation creates, it's still a finite number, and an insufficiently large number to contain all the possibilities that a 13.8 billion year old Universe with 10^90 particles admits."
has nothing to do with "parallel" universes...
Those universes aren't what people usually mean by 'parallel'. Usually they're thinking of a universe which at some point in the past was identical to this one.
These orthogonal universes obviously aren't going to have duplicates of anything here.
So now we are making predictions about speculations and guesses to say, there is no you in a parallel universe. Call me a skeptic but I would like a molecule of proof that such universes even exist before you start on speculations about what exists in them.
Not saying that the parallel universe concept is correct but his argument just dismisses a particular type then states there aren't any.
Even if an infinite number of universes exist, that does not imply that any of them are remotely similar to ours. For that implication to hold you must also assume that our universe is finite, or at least a drastically lower order of infinite such that the total number of possible states that our universe could be in is substantially less than the total number of universes that exist with the same geometry and physical laws.
Of course meaningfully comparing different orders of infinity isn't something you can do with high-school arithmetic, but it's a pretty common thing to do in advanced mathematics.
--- Most topics have many sides worth arguing, allow me to take one opposite you.
Mr. Nobody.
It's a great film. All those pointless decisions that get made that shape the things around us and, in turn, the world for ever. Just imagine, had that nomadic hunter-gatherer ancestor of yours decided to head back out to hunt rather than go home, you, and everyone in your lineage, would fail to exist.
In that moment when that ancestor was deciding which way to go, everything was possible.
Someone flopped a steamer in the gene pool.