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Originally posted by Oannes
What if our big bang was the end result of a big crunch? A former universe didn't make it for some reason. It imploded, then the process started all over with expansion. Just a theory.
Originally posted by dragonridr
reply to post by ImaFungi
Since you like Einstein will discuss his thoughts on time. He believed time is like a river we get caught in its currents and that is our perception of time. However just like a river time can have whirlpools and forks which split the river. According to him there is not really such a thing as the `now` at all. He saw all actions as either the future or the past ill try to explain. Since time is relative to the observer you and i are here on earth we put you on a rocket traveling near the speed of light you go screaming out into the galaxy for you decades pass you return to earth. But what do you find a dead world after a nuclear war. Now for me i spent decades here on planet earth we were just fine nothing happened. So obviously are perspectives are quite different. Now heres where it gets weird because you came back in the future and seen the earth destroyed. Does that mean earth is going to have a nuclear war in the future the answer is no. You are now in a separate universe which was taken the moment you branched off on our time this is one of those whirlpools.
Originally posted by wildespace
There has never been "nothing", so something appearing out of nothing is not an issue. There has always been something, namely, vacuum. Vacuum always contains some energy, and that energy undergoes fluctuations due to the Uncertainty Principle. In certain conditions, vacuum can produce a bubble of energy and matter, what we call a universe.
This view of mine may be simplistic and innacurate, but it does away with the incomprehensible "no space or time before the Big Bang".
Originally posted by ImaFungi
Originally posted by dragonridr
reply to post by ImaFungi
Since you like Einstein will discuss his thoughts on time. He believed time is like a river we get caught in its currents and that is our perception of time. However just like a river time can have whirlpools and forks which split the river. According to him there is not really such a thing as the `now` at all. He saw all actions as either the future or the past ill try to explain. Since time is relative to the observer you and i are here on earth we put you on a rocket traveling near the speed of light you go screaming out into the galaxy for you decades pass you return to earth. But what do you find a dead world after a nuclear war. Now for me i spent decades here on planet earth we were just fine nothing happened. So obviously are perspectives are quite different. Now heres where it gets weird because you came back in the future and seen the earth destroyed. Does that mean earth is going to have a nuclear war in the future the answer is no. You are now in a separate universe which was taken the moment you branched off on our time this is one of those whirlpools.
I dont agree with a separate universe existing. Thats a very illogical conclusion. The speed of light is a velocity, just like the speed of a train, and the speed of a lady bug is a velocity. Why would a new universe be created for you for traveling for time X at the speed of light, when light travels at the speed of light all the time, are you saying new universes are created all the time for light? A train travels much faster then a lady bug, does a new universe exist for a train when it travels much faster then a lady bug?
I also dont agree with the aging thing, I think its a false math illusion. (besides the fact its hypothetical because we dont know if a human body could stand being accelerated to the speed of light, so in experiment, it may be that the human accelerated to speed of light ages to death instantly). A good analogy would be this. Imagine we lived thousands of years ago and so we had no vehicles, we could only walk. And we lived in New york, and we were planning on walking to California (lets say it would take 6 months). And there is someone with a jet plane, that can fly from new york to California in 6 hours (and they represent the speed of light). Light and the plane can travel further distance/more space in less time = greater velocity, so I guess there is less time to experience material interactions in time. So the guy in the plane get to California in 6 hours, and the guy walking is not even out of the state of new york.
I think this is similar to the man staying on earth, and man traveling speed of light into the universe. The man on the planet is stuck with a constant time, on a fixed trajectory. The man who is on the light speed ship, is escaping that fixed time zone, and traveling faster, more space in less time, I dont get the age thing. Does it have to do with energy expenditure? Because think of electrons in your computer, they can do a million things in a second (even thought they are operating in a very small space), you can maybe do 1 thing in a second. And with this analogy you would be saying the electrons (if they were an observer) experienced that same second of time, differently then you. My confusion comes when I think, wouldnt the electrons experience 'more time' or more events, or more work, or more movement, in that second, there for age more? I can also take this to absolute zero or cryogenic temperatures. Hypothetically if we freeze a body and can resuscitate it in the far future, the material of the frozen body would be traveling much less then the speed of light right? yet it would be aging less then material traveling at a constant but greater velocity.
edit on 5-7-2013 by ImaFungi because: (no reason given)
Originally posted by spy66
Originally posted by wildespace
There has never been "nothing", so something appearing out of nothing is not an issue. There has always been something, namely, vacuum. Vacuum always contains some energy, and that energy undergoes fluctuations due to the Uncertainty Principle. In certain conditions, vacuum can produce a bubble of energy and matter, what we call a universe.
This view of mine may be simplistic and innacurate, but it does away with the incomprehensible "no space or time before the Big Bang".
How do you know that the vacuum space before the singularity was not absolutely empty? Can you prove it?
A absolute vacuum is also something. There doesn't have to be anything within the absolute vacuum for it to be something.edit on 27.06.08 by spy66 because: (no reason given)
Originally posted by dragonridr
Originally posted by spy66
Originally posted by wildespace
There has never been "nothing", so something appearing out of nothing is not an issue. There has always been something, namely, vacuum. Vacuum always contains some energy, and that energy undergoes fluctuations due to the Uncertainty Principle. In certain conditions, vacuum can produce a bubble of energy and matter, what we call a universe.
This view of mine may be simplistic and innacurate, but it does away with the incomprehensible "no space or time before the Big Bang".
How do you know that the vacuum space before the singularity was not absolutely empty? Can you prove it?
A absolute vacuum is also something. There doesn't have to be anything within the absolute vacuum for it to be something.edit on 27.06.08 by spy66 because: (no reason given)
No one can heres something most physicists wont admit but if there was a beginning something had to cause it So either the universe doesnt have a beginning or according to our current understanding something created it. Problem becomes we can explain from the point of a singularity but what was there before that and what caused the singularity. Before that space time didnt exist in fact nothing did and as hard as you try you cant create something with out at least something even if its only empty space. Thats were i believe time comes in to play Because time wasnt created with the universe it had to be there all ready other wise no singularity. Because the singularity would have had to change and the only way that can happen is through time.
I think time is the missing key in our understanding of the universe.
Originally posted by ImaFungi
reply to post by spy66
Define 'absolute vacuum'.
Your deffinition will have to include the potential energy to create the forms of the entire material universe, including you, every star and planet, every person, and everything. The energy that makes up everything has to have always existed in some form, no?
Originally posted by UnknownKnower
What happened before the big bang?
Originally posted by Minus
Originally posted by UnknownKnower
What happened before the big bang?
Energy can neither be created nor destroyed. This is concept was established
by Einsteins equation E = Mc2 and Therefore energy has always existed, and will always exist,
Untill we understand the true concept of time and space we have know clues what happened before big bang, We just know there was something - and there your fantasy is a good as any othersedit on 6-7-2013 by Minus because: i can
Originally posted by spy66
Energy can neither be created or destroyed is a concept that is not true. E = mc2 fall apart before Planck time. And can not be prove to apply before 10-44 seconds after the initial implosion. Because matter did not exist before this time.
Originally posted by Minus
Originally posted by spy66
Energy can neither be created or destroyed is a concept that is not true. E = mc2 fall apart before Planck time. And can not be prove to apply before 10-44 seconds after the initial implosion. Because matter did not exist before this time.
yes, your right about the matter - but, do you claim energy didnt existed before 10-44?edit on 6-7-2013 by Minus because: adjusting grammatics
Originally posted by spy66
We can only explain what took place 10-44seconds (Planck Time) after the initial implosion. At this stage our universe was very very small. Smaller than the head of a nail.