Quote:
Originally Posted by toretorden
I'm not completely sure what permutation means, but it sounds like you're saying there has to be other worlds with ghosts just like there's a world where Harry Potter lives and everything is like in the movies and there's a world just like Dragonlance's Krynn where there are dragons and mighty heroes going up in level once they get enough experience points.
Okay, I don't believe that.
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well here's the thing. there is essentially no difference between seeing a ghost and seeing the image of a ghost. since every image you see is just a combination (that's what permutation means, but in a more fancy way) of photons, and since each one of those photons has some chance, however minute, of going ANYWHERE, there is some chance that the image that reaches you will not at all resemble what is actually there. in fact, it could be anything. as the images stray further and further from the 'true' image, the chance that you will receive that image gets more and more unlikely. however, if every possibility is being realized (which is what mwi basically says), there is a universe corresponding to everything you could possibly see, regardless of what is actually there. in most of these universes, that image would immediately collapse and would seem like a glitch, or a hallucination of some sort. however, if you stray into more and more unlikely universes, the same thing will happen even with matter particles and not just photons. since harry potter is just a combination of atoms, and since all the 'magic' which he and his cohorts do could be the result of a string of random electro-magnetic fluctuations, or simply images distorted by the random movement of photons, if every possibility realizes itself there is a universe where harry potter is real. there is another universe which looks identical, but in which none of the things harry and his friends see are really there, everything they see is just a result of the light behaving strangely coming back to them. the thing to remember is that there are no real trajectories, so the fact that the light that hits a certain area of your eye corresponds to the 'object' following a straight-line trajectory is just the result of chance. basically if you take this to its logical conclusion, time and space cease to have any relevant meaning. every piece of matter exists in a probability cloud which stretches out to the end of the universe with infinitesimal probability, so at any given moment every piece of matter could rearrange itself into a completely alien, unrecognizable universe. the chance is essentially 1/infinity, but that is the chance for every universe that could arise, including our own. the thing is that a vast majority of them would look more or less identical to our own. some would look like harry potter though.