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#11
Nov 25 2009 05:59pm
And to answer your question about a universe going back in time.. Gravity distorts time.. so with HIGH speed you would only go into the FUTURE..

Btw its nearly impossible for something to move with MORE than the speed of light.. only energy + light etc would be able to do so.. Its just not possible for something with a mass e.g. humans or something like that.. That would violate a lot of the physical laws and prinicples
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#12
Nov 25 2009 06:24pm
Quote (Mag1z @ Nov 25 2009 06:59pm)
And to answer your question about a universe going back in time.. Gravity distorts time.. so with HIGH speed you would only go into the FUTURE..

Btw its nearly impossible for something to move with MORE than the speed of light.. only  energy + light etc would be able to do so.. Its just not possible for something with a mass e.g. humans or something like that.. That would violate a lot of the physical laws and prinicples


Expand space behind an object and contract space in front of an object moving very fast = mass moving at the speed of light or faster.
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#13
Nov 25 2009 08:15pm
Quote (Bruce517 @ Nov 25 2009 07:24pm)
Expand space behind an object and contract space in front of an object moving very fast = mass moving at the speed of light or faster.

one thing first: space is expanding, but that does not cause everything in it to "speed up" it is just the amount of space in between 2 objects is growing/warping. travelling faster tahn the speed of light is impossible for several reasons.

the biggest one: the rate at which you travel through time and the rate at which you travel through space always equal the speed of light -according to einstein. in other words something travelling the speed of light does not age. if you travelled the speed of light somehow neither you or your computer would be able to tell the ship to stop -because you would be suspended in time -according to brian greene.

the amount of power needed to propel something (with mass) that fast simply cannot exist according to physics. when something approaches the speed of light is grows in mass exponentially, requiring more and more power to accelerate it.

could these statements be wrong? of course its possible but highly unlikely due to the amount of testing and agreement between cosmologists that no matter what variables we do not know or understand, this appears to be the case.

This post was edited by juliusjuice on Nov 25 2009 08:18pm
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#14
Nov 25 2009 10:55pm
Quote (Mag1z @ Nov 25 2009 06:59pm)
And to answer your question about a universe going back in time.. Gravity distorts time.. so with HIGH speed you would only go into the FUTURE..

Btw its nearly impossible for something to move with MORE than the speed of light.. only  energy + light etc would be able to do so.. Its just not possible for something with a mass e.g. humans or something like that.. That would violate a lot of the physical laws and prinicples


not true


Quote (juliusjuice @ Nov 25 2009 09:15pm)
one thing first: space is expanding, but that does not cause everything in it to "speed up" it is just the amount of space in between 2 objects is growing/warping. travelling faster tahn the speed of light is impossible for several reasons.

the biggest one: the rate at which you travel through time and the rate at which you travel through space always equal the speed of light -according to einstein. in other words something travelling the speed of light does not age. if you travelled the speed of light somehow neither you or your computer would be able to tell the ship to stop -because you would be suspended in time -according to brian greene.

the amount of power needed to propel something (with mass) that fast simply cannot exist according to physics. when something approaches the speed of light is grows in mass exponentially, requiring more and more power to accelerate it.

could these statements be wrong? of course its possible but highly unlikely due to the amount of testing and agreement between cosmologists that no matter what variables we do not know or understand, this appears to be the case.


true. lol





*also the math suggests not only does the objects mass grow exponentially, but if it could hypothetically reach c, its mass would be infinite oO
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#15
Nov 25 2009 11:55pm
Quote (pissed247 @ Nov 25 2009 11:34pm)
Does the fact that we can not test these theories in fact make it not science?


Theoretical science, as in theoretical physicists, I would assume

This post was edited by rawr_rawr on Nov 25 2009 11:56pm
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#16
Nov 26 2009 04:30am
Quote (dothe @ Nov 26 2009 04:55am)
not true




true. lol





*also the math suggests not only does the objects mass grow exponentially, but if it could hypothetically reach c, its mass would be infinite oO


Quote (Bruce517 @ Nov 26 2009 12:24am)
Expand space behind an object and contract space in front of an object moving very fast = mass moving at the speed of light or faster.


Well considering the math that dothe points out it would be impossible.. Expanding /contracting space would only affect TIME... and expanding spacetime and contracting spacetime is one of the few theories about how to travel back in tme.. But I believe that that theory was shot down pretty quick...

SPEED would not make it possible to go BACK in time.. The most likely theory we have today about going back in time , is that theres some kind of wormsholes out there, that distort and bends spacetime.. THAT is if we are correct about the M-theory
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#17
Nov 26 2009 08:27pm
if a universe was exactly the same as ours that wouldnt be impossible its just a naf paradox that people come up with. much the same as people think if you take your eye out and look into the other eye you'll die instantaneously, science is coming up with folk tales, and where is this big book of rules saying that a parallel universe cant be exactly the same as another?? isnt the universe expanding faster than the speed of light? yes it is.

This post was edited by cookitagain on Nov 26 2009 08:30pm
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#18
Nov 26 2009 08:30pm
Quote (pissed247 @ Nov 25 2009 12:54pm)
I've been proposed with an argument that states there could not truly be an INFINITE amount of parallel universes because there is not an infinite amount of differences you can make to a universe, and two universes that are the same are not only not parallel but would in fact be the same universe.
Loosely defined, a parallel universe is a universe which is somehow different to our own.

Tell me if this is not a solid theory supporting that there truly could be INFINITE parallel universes.

Ok so the universe is expanding at a constant rate in this universe. I propose that there are universes in which the universes expansion has ACCELERATION which would cause distortion of time which inherently makes the universe different. The amount of acceleration is limitless in it's capacity. That is to say that while there could be a universe in which the acceleration of expansion is miniscule, and conversely there are ones with extreme amounts of acceleration, and in fact this acceleration could go far beyond the speed of light. There could be a truly infinite amount of parallel universes if this is the case because you can distort time infinitely.

However if this is the case, is there a universe which expands with such acceleration that it actually goes back in time, back to it's own birth and then is born again, to only do the EXACT SAME THING? A loop of events of sorts.


Are you SURE there can't be an infinite amount of universes different from eachother?

Supposen you have a universe with a candy bar in it. that's all.

in one universe, the candy bar is 1cm, the next it's 10 cm, the next is 100 cm, the next is 1000 cm, the next is 10000, and so on.

Do you see where I'm going with this?
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#19
Nov 27 2009 12:58am
There could be, but we're never going to find out. There's probably more dimensions then we could even comprehend.
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#20
Nov 27 2009 04:19am
Quote (rawr_rawr @ 25 Nov 2009 23:31)
Very possible. It'd be interesting to see if there were any barren ones... "failed" if you will. Although, we will never know.


An empty universe is no universe at all. Position and motion is relative. An empty universe simply does not exist.
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