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Originally posted by kerrymac
I have a weird theory..that the universe is already expanding at the speed of light because it's fabric is space time...so because of the idea that travelling faster than light will send you back in time...quote]
Hey there kerry
I like the way you think.... Actually I have been pondering that the expansion of the universe is infact what we perceive to be time.
So what would happen if the universe stopped expanding??? I visualise it somthing like a timelapse camera. you know where you see every movement in trail. Like waving your hand around and seeing it in all the points it traveled through.
So it would follow that if the universe did stop for any given amount of time then time would also stop and we would have no perception of this.
there is a book called "permutation city" In this book there is a computer that creates a kind of Virtual world in the matrix style. Scientists then experiment with computation, only running calculations in ever increasingly long time slices. e.g only calculating one kb per hour. The effect was not felt at all within the virtual world, it carried on as normal with no effect at all. But on the outside looking into the virtual world everything apeared to stand still and change very slowly.
anyway... It's nice to see so many other thinkers out there... I was beggining to think I was alone in my train of thought.
BE Good
Tim.
Originally posted by slank
1. What if space is not expanding but matter is uniformly shrinking? The Universe is not getting bigger but we are getting smaller? (Just a thought)
2. What if the 'expansion' of the Universe is time? Sort of if you could contract the Universe you could run time backwards. Like reading a CD backwards instead of forwards. Sort of like it is gear driven. You could run the Universe forwards and backwards to re-play a favorite part.
.
Originally posted by NetStorm
Here's an ignorant question regarding the expansion of the universe...does Newtons Third Law not apply? "For every action, there is an equal and opposite reaction"
If it does how would this affect the Universe?
Originally posted by NetStorm
Here's an ignorant question regarding the expansion of the universe...does Newtons Third Law not apply? "For every action, there is an equal and opposite reaction"
If it does how would this affect the Universe?
Originally posted by slank
1. What if space is not expanding but matter is uniformly shrinking? The Universe is not getting bigger but we are getting smaller?
What about space, what is it really? is it length? in three dimensions? In a huge cube of space could it be that it has 'grain'. Going from corner B to it's opposite coner, B', takes just a bit more time than going from corner A to A'? Or would it mean our original cube was not quite square, or that space was skewed. I wonder if there may be flow of space. Perhaps it would not be 'grain' of the Universe but going with the current of the Universe or against it. Anyone think in string theory there may be length/dimension particles/strings? they would have to be some of the most hyperfluid particles around. What about time particles/strings?
Originally posted by tim_uk74
What I was thinking was what if the expansion of space time were to expand at a rate that would affect the space between the nucleus and electron? See what I�m saying? Matter would literally rip itself apart.
This could be the BIG RIP I�ve heard about?
Originally posted by netbound
Jp1111,
Ekpyrotic theory is kind of neat. It derives from superstring theory, as I�m sure you are aware. Personally, I find it a much more appealing model than the Big Bang model (for what that�s worth www.abovetopsecret.com..." target='_blank' class='tabOff'/>) because it doesn�t involve a singularity. As a scenario it just makes more sense to me, and is much easier to swallow.
Originally posted by jp1111
Originally posted by netbound
Jp1111,
Ekpyrotic theory is kind of neat. It derives from superstring theory, as I�m sure you are aware. Personally, I find it a much more appealing model than the Big Bang model (for what that�s worth www.abovetopsecret.com..." target='_blank' class='tabOff'/>) because it doesn�t involve a singularity. As a scenario it just makes more sense to me, and is much easier to swallow.
Superstring theory and the following M-theory are very interesting. Many theories trying to model our universe are based on the superstring theory, which is further based on the quantum field theory.
And, yes ekpyrotic theory does actually explain what caused the "bang," while big-bang theory does not. There are many other problems with big-bang theory like horizon, flatness, etc.. Although, theories like the ekpyrotic are quite based on assumptions, they are not falsifiable due to our limited technology and that is why they are so interesting.