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Imagine a universe made of electric and magnetic forces alone. We will show how Maxwell's account of nature operating within this universe can produce all else including gravity and the nuclear forces. In this imaginary universe all the rules of nature are just as we observe them in our own universe. A person placed in this new universe could not determine whether they were in this imaginary universe or our own.
I will certainly have a good look at that!
A note on Antigravity, and Dark EnergyFirst is that the universe's acceleration is a byproduct of antigravity left over from the big bang, possibly due to a massive antigravity source that lies at the centre of the universe. Secondly it is equally possible that there is a strong electromagnetic field surrounding the universe, left over from the big bang as well and everything is being attracted towards it.
Quote from: latebind on 13/02/2009 17:36:04A note on Antigravity, and Dark EnergyFirst is that the universe's acceleration is a byproduct of antigravity left over from the big bang, possibly due to a massive antigravity source that lies at the centre of the universe. Secondly it is equally possible that there is a strong electromagnetic field surrounding the universe, left over from the big bang as well and everything is being attracted towards it.There is no "center" of the universe. At least there is no remotely sensible hypothesis that includes one. And if there were, it would not be close enough to have any effect or we could detect it.If the universe had an edge, it would also be too distant to have any effect or we could detect it. Either a center or an edge would produce a violation of general relativity.
Suppose you have two identical, sealed sandtimers. These are identical in every way, from the number of grains to the number of atoms and particles in each sandtimer, and the placement of all other particles is identical in every way.
Now, you flip both of these over at exactly the same nanosecond and watch the grains fall through. Do you think that each timer would have the exact same grain(s) falling through at any given time? Do you think that both sand timers would be perfectly synchronized in every single possible way?My belief is that the answer is 'NO' to both questions.( I suggest chaos theory or a sort of entropy at work here)So if we consider the experiment before us :-Both sandtimers are identical in every way, down to the last particle