I think it is more about the texture of energy itself. There may be exotic energies that allow one to penetrate and bend spacetime. It is impossible to travel to one's own exact past,such as returning to kill your boyhood friend. Such things are possible in alternate realities but they cannot affect one's own future if that future has already elasped. We cannot travel back in time, kill Hitler, and notice the effects we produce on life in the 40's. You can go back and kill someone LIKE Hitler, (an alternate reality Hitler) but not the man himself as our history remembers him. Both Hitler and your grandfather (part of the grandfather paradox) are in no danger whatsoever from intervention. Also, you are in no danger from your existence being wiped clean because somebody has gone back in time to kill your grandfather and prevent your birth. We may be able to observe the past without influencing it, but we cannot go to a past that we are connected to. The reason this is so is because the intent and energy of our arrival upsets the integrity of th entire past reality (universe), creating a brand new reality in its stead. Thus, your own influence pevents you from traveling to your own past. Thus is your creative potential. You might touch down in a past, but your touchdown becomes a ripple that permeates the entire reality. To imagine it another way, the journey to the past is a wild line that must be followed back precisely. The slightest deviation will send you off course. This includes the function of your own body and mind. Therefore, while in transit, you go off course because the journey back to your past in time requires no changes in course. Time is related to energy, and you can't have no movement while moving. It is a violation, a direct contradiction. So, you can't travel back to your own past.
Once you deal with the production of enough exotic energies time will begin to bend. You can attract other realities into your presence. Time travel into the future is always possible, because that has not elapsed yet. Once you arrive in an alternate reality you fundamentally change the nature of that reality simply due to your own energy presence. To bend the past, creatively lie about what happened, because it is no longer applicable. In order to travel to the future, project your thoughts into the void that is tomorrow. Look for clues about what will happen---what you know and are aware of changes your aspect, your relationship to realities.
The movie "the butterfly effect" showed how travel into the past changes it, and how alternate realities are produced.
2006-12-26 22:44:40
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answer #1
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answered by sassychickensuckerboy 4
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It seems that if a machine could take you into the future (faster than you are already travelling), then we would never know about it. I wouldn't dare suggest that a machine that could take you backwards isn't possible, but it might take a hell of a lot longer to realise. So why would people, possibly billions of years in the future (with this technology) choose to come back to our own era, considering how many other eras they will have to choose from. It's like saying if there is intelligent life out there, we would have heard about it by now. Sorry, doesn't work. So the first answerer is an idiot. So am I, but that's beside the point.
2006-12-26 22:45:14
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answer #2
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answered by Dr Know It All 5
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By Einsteins theory of relativity, yes. But you could not go back in time, you could only go in the future.
In special relativity, clocks that are moving with respect to an inertial system of observation (the putatively stationary observer) are found to be running slower. This effect is described precisely by the Lorentz transformations.
Time dilation would make it possible for passengers in a fast moving vehicle to travel into the further future while aging very little, in that their great speed retards the rate of passage of onboard time. That is, the ship's clock (and according to relativity, any human travelling with it) shows less elapsed time than stationary clocks. For sufficiently high speeds the effect is dramatic. For example, one year of travel might correspond to ten years at home. Indeed, a constant 1 g acceleration would permit humans to circumnavigate the known universe (with a radius of some 13.7 billion light years) in one human lifetime. The space-travellers could return to earth billions of years in the future (provided the Universe hadn't collapsed and our solar system was still around, of course). A scenario based on this idea was presented in the novel Planet of the Apes by Pierre Boulle.
2006-12-26 22:08:32
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answer #3
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answered by blue_fenetre 2
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Einstein theorized that time is not a NATURAL feature of the universe by telling us that time is not absolute. In other words, there's no Cosmic Master Clock ticking away the one and only correct time. Right now it's 2:50 a.m. on the west coast, but in New York City it's 5:50 a.m. Which time is the right time? Einstein's concept of time has been proven over and over again by numerous detailed scientific experiments. All this means that there's no physical "past" following along to which we may someday return. Nor is there any physical "future" waiting up ahead.
2006-12-26 21:50:57
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answer #4
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answered by Chug-a-Lug 7
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The big shot scientists say YES, but they need a power source greater than anything available.
Sounds like they are just bucking for grant money for 'research'.
Besides if you did travel through time your molecules would be occupying 2 spaces at one time. This goes against the creation of matter law.
Time isn't a material, it is a concept. A unit of measure used to define the interval between events.
I'm still trying to figure out what E=mc2 has to do with bending 'spacetime'. It describes the amount of energy contained within a given piece of matter. All I ever get is..."But its relativity." I ask to what...oh then the loop begins.
2006-12-26 21:50:21
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answer #5
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answered by vaughndhume 3
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the folks at MIT disproved this very simply.
they organized a gathering to be publicized for generations as a gathering where any future time travelers should arrive.
no time travelers arrived.
unless some time in the future they all decide that going back in time is a bad idea.
but then again, einstein's theory only tells us if we're going at a very fast speed, we're "traveling forward in time (faster than the rest of the folks)" so i don't think a full-fledged inexpensive easily made time machine is really feasible.
2006-12-27 01:38:51
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answer #6
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answered by Anonymous
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I've known the answer to this question a couple of years ago... But I forgot a great deal of it I'm afraid. :/ But I'll try and answer as best as I can (remember).
As said, travelling to the future is far easier than travelling to the past. Einstein's relativity theory did indeed imply that travelling at high speeds would 'do the trick'.
Einstein also claimed that travelling to the past is theoretically possible. He found that when you cross the borders of singularity you are no longer able to control mass, but you are in full control of time. (the opposite of what we can, we can control mass, but are not in control of time) He couldn't believe his own theory at first, but he verified it later.
The only known way to cross the borders from space to singularity however is to travel real close to a black hole. You can hear me coming... How can you travel back, away from the black hole?
If you are interested in this, IM or email me ;-)
greetz!
2006-12-29 07:54:27
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answer #7
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answered by JohnyD 3
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A time machine would be based on the theory of sight. which is based on light as we would have to capture the pictures of the past to view them. Take the Hubble telescoppe for instance. It records the pictures of stars, but those pictures could be millions of years ago because the light from them takes so long to get here. If someone captured the idea of reverseing
the images to go back to that point in history then I believe it is possible
2006-12-26 21:54:39
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answer #8
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answered by George G 5
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time machine?
it takes such a genius to answer that! but what i know is that no action of man could alter time.... we will all age no matter what, it is just man's desire to escape death and acquire immortality,,, thus his idea of time machine rose,,, it is about the possibility of entering the past world or the future world,,, one day perhaps it may happen that a man could invent the time machine,,,,, such that man invented cloning,,, right? but man's desire for immortality might one day be the cause of man's death,,, it would be better,, much better if we live our lives to the fullest,,,, than think of ways to acquire immortality,,, and live an eternity of aimless existence,,,,, :)
2006-12-27 22:21:42
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answer #9
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answered by a_n_o_n_y_m_o_u_s 3
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if a time machine could go backwards we would probably already know about it....
however.... if using eistein's theory of relativity...
it would be kind of possible to go forwards in time as you would feel only a fraction of time pass as you aproach the speed of light versus the rest of the world. but I still doubt such a thing is possible. *at least with our current forseeable technology
2006-12-26 21:51:59
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answer #10
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answered by beanie_boy_007 3
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