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But the Russians argue that when the energies of the LHC are concentrated into a subatomic particle - a trillionth the size of a mosquito - they can do strange things to the fabric of the universe, which is a blend of space and time that scientists called spacetime.
While Earth's gravity produces gentle distortions in spacetime the LHC energy can distort time so much that it loops back on itself. These loops are known to physicists as "closed timelike curves" and they ought, at least in theory, to allow us to revisit some past moment.
The LHC is the world's most powerful particle accelerator, producing beams seven times more energetic than any previous machine, and around 30 times more intense when it reaches design performance, probably by 2010.
Originally posted by obsidience
!won thgir emit ni kcab gnilevart m'I
Parallel universes really do exist, according to a mathematical discovery by Oxford scientists that sweeps away one of the key objections to the mind boggling and controversial idea.
The work has wider implications since the idea of parallel universes sidesteps one of the key problems with time travel. Every since it was given serious lab cred in 1949 by the great logician Kurt Godel, many eminent physicists have argued against time travel because it undermines ideas of cause and effect to create paradoxes: a time traveller could go back to kill his grandfather so that he is never born in the first place.
But the existence of parallel worlds offers a way around these troublesome paradoxes, according to David Deutsch of Oxford University, a highly respected proponent of quantum theory, the deeply mathematical, successful and baffling theory of the atomic world.
The new work bolsters his claim that quantum theory does not forbid time travel. "It does sidestep it. You go into another universe," he said yesterday, though he admits that there is still a way to go to find schemes to manipulate space and time in a way that makes time hops possible.
Originally posted by sdrawkcabII
I understand that, you cannot go back into time further then the moment when the time machine was created.
If I drank a cup of coffee...how am I going back to the point just before I drank the coffee? This sort of time travel is only possible if there is some sort of memory, or phenomenal device that holds everything that has ever happened and keeps playing them back at the time it occurred.
And if, time was really a loop and everything that has happened, is happening repeatedly, then what exactly is the point of living?
Once I click "Post Reply", there's no way, anybody is getting the option to go back and change that...for the act is done, and it no longer exists.
The same goes for the future. One may be able to see into the future, suggesting that the future could be mostly mapped out
But, how is possible for someone to go to a point that does not exist as yet on a linear timeline on this plane of existence? It's impossible.
Originally posted by Havalon
btw Zorgon, many eminent scientists have called ‘demented’ in the past,
but history has shown them to be otherwise!
Originally posted by Havalon
Time travellers from the future 'could be here in weeks'.
Originally posted by Havalon
Well, you can't argue with logic like that!
Originally posted by bloodcircle
As it is, we travel thru time at 60 seconds an hour.
Originally posted by MarkAkaSilent
Isn't this a paradox? Wouldn't they already be here?
Originally posted by Havalon
reply to post by MarkAkaSilent
That is a moot question (and a good one!) Mark,
the LHC is due to commence full operation in 2010 so there is a conundrum! has the future already been!
Originally posted by Havalon
reply to post by bloodcircle
Well, you can't argue with logic like that!
Nice one blood!
H
Originally posted by Misfit
Originally posted by Havalon
Well, you can't argue with logic like that!
I can ......... by looking at this:
Originally posted by bloodcircle
As it is, we travel thru time at 60 seconds an hour.
lolol.
Originally posted by Spider_117
just curious, i want your opinions. say one travelled to the past, on our 'timeline' or whatever. he goes into the past, beyond his birth and kills his father. would he cease to exist? or would the death of his father require him to exist?