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Posted: May 11 2007, 08:40 PM
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Hi, recently I read some articles on M-theory and the idea of an infinite number of parallel universes. I'm no expert in this area but the following idea came to my mind and would like some opinions
So if I got it right, the idea of parallel universes is that the universe we perceive is only one of an infinite number of universes, and if say (for the sake of argument) I toss a coin in our universe and I get heads, there will be some other universe in which I get tails ..right? ...now, isn't this reasoning equivalent to saying that the fundamental laws of nature are based on pure probability ? (a fact that has already come up from quantum mechanics) ..isn't it simpler to formulate a theory based on the statistics of nature ?
would like to hear your opinion.
Posted: May 11 2007, 09:33 PM
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I perceive we live in a 'slice' of total cosmic geometry; therefore to employ probability based on this intrisic 'nature' is totally valid (copenhagen interpretation) as all other aspects (slices) will affect our seemingly closed plane; although it's a bit of a lame-brain (cop-out) concept.
Posted: May 11 2007, 10:40 PM
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M-theory is a bit more complicated than that, but yes, according to M-theory, there are an infinite number of parrallel universes, and an infinite number of possibilities in each of those universes, and all possibilities and all universes exist simultaneously in 11 dimensionsal space-time. At least that was the most recent version I'm aware of.
So, according to the theory, if you flip a coin and it turns up heads, there is another version of this universe where it might have turned up tails. If the photon is detected on theleft slit in this universe, there is another universe where it was detected on the right slit. Of course, everything thereafter would diverge...
But then there would also be other universes wherein "universal constants" were different. I.E. Gravitational constant might be 6.66E^-11 in one universe, 6.65E-11 in another, 6.0E-11 in another, still another universe might have no gravity at all, etc. And each of these universes would have an infinite number of possibilities, all of which exist simultaneously.
M-theory claims to be a theory of everything, but in reality it is a theory of nothing, and holds no scientific or experimental validity whatsoever.
It is a pathetic and transparant attempt to refute arguments about the low probability of intelligent life existing without a creator.
Christians point out the ridiculous odds against evolution and the Big Bang.
In response, "M-theory" gives the ridiculous postulate, "All possibilities exist, so its no surprise we are here..."
M-theory is pure conjecture without the slightest bit of evidence.
Posted: May 11 2007, 11:01 PM
There is no meaning in infinity.
What is the meaning of infinite universes?
Answer, does not exist.
Let’s have a look at your example. Quote: “and if say (for the sake of argument) I toss a coin in our universe and I get heads, there will be some other universe in which I get tails ..right? ...”
There will be an infinite number of heads and an infinity number of tails.
This means that the probability of ‘anything’ happening will be always one.
Taking this further in this infinite universes, then the probability of tossing a head is one and the probability of throwing a tail is one … and not forgetting that the coin could also land on its edge … and that is also a probability of one … all probabilities are one.
If you still wish to go down this road … then there will be infinite universes where the coin that you are tossing is your father … also a probability of one.
To conclude, with infinity anything that you can think of will happen an infinite number of times … even things that you haven’t thought of are happening an infinite number of times.
The people that have thought about this idea before you … made a slight variation … that is they speak of ‘multiverse’ not an infinite number … though they cannot state how many … only that our universe is just right (how arrogant can you get) … people with my sceptical point of view have coined it the “Goldilocks Theory” … just a fairy tale.
I also fully agree with fivedoughnut: quote: "although it's a bit of a lame-brain (cop-out) concept.".
But do not let that put you off coming up with new ideas … early days.
Have a go at multi-dimensions … no one understands them, properly.