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Time Travel


Katarn07

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Lets consider this possibility: History abhors a paradox and the irritant is ALWAYS removed.

 

For instance, I go back in time and kill Hitler before he has a chance to do his thing. Everyone is like 'Good thinking'. Lets say I succeed. The Holocaust never happens because Hitler is dead and cannot order it. But nothing happens. Why is that?

 

I go back in time with a cause: Prevent the holocaust. In 1940 or whatever, I succeed but the future does not change. Because I succeeded, here in 2005 I never had a reason to travel back in time, thus I never did, thus Hitler never died, thus the Holocaust happened.

 

The irritant is ALWAYS expelled.

Haha, reminds me of Bad Bad Rubber Piggy episode of Invader Zim when GIR is explaining the whole killing Dib thing.

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You don't see people popping in from the past now, do you?

 

Time travel = no. :p

 

I mean I suppose it could be possible, just highly unlikely. Maybe in all the years we've been alive people have been coming to the past, or our present, under secret guises using super duper clothing generators to simulate the times! :eek:

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Haha, reminds me of Bad Bad Rubber Piggy episode of Invader Zim when GIR is explaining the whole killing Dib thing.

 

That was a great episode.

 

BTW: Most of the stuff(History Abhors a Paradox and the Irritant is removed)is from Legacy of Kain :p

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Isn't that movie out a long time already? Or are they making a new one?

 

I dunno if they ever made it before. This one's new and coming out later this year. This movie is named after the short story, so it's called A Sound of Thunder. Has Edward Burns (the prick from Saving Private Ryan) in it.

 

And as for your paradox theory, Kain, who knows if that's right. Look at Herminator's concepts of time travel.

 

1) You go back, change things, but because you tried to cange them, they end up exactly how it was (but doesn't that eliminate free will?)

 

2) You go back, change things, but when you come back, no one notices but you. (History may have been changed many times, but we are not aware, because our memories change with it)

 

3) You go back, change things, but the new events has their own timeline, so when you return, everything is as it was. (that would mean that there exicts thousand of different dimensions, where things have happend differently.)

 

Yours is the most like #3 I guess. Your explaination doesn't work with me, and I don't have time or patience to describe why it's flawed, but I'll just say it's like #3 to comfort my troubled mind. Gah, this crap is so mind boggling that it can hurt.

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  • 1 month later...
Me and some friends argued about this for nearly a week at lunch last year. That starship topic got me thinking about this once again. The age old story of time travel. Can it really be done or is it just fantasy? Part of that question is answered with the theory of relativity. If we ever develop the technology to travel at the speed of light, travelling into the future is possible. But it's a one way ticket; there's no way back.

 

Or is it? Are there theories out there that explain how one might go back in time. I read Sphere a long time ago and could've sworn they explain it in there, but skimming it I can't seem to find it. That book and movie sucked so I really don't wanna waste my time and read it again and the movie probably doesn't go into the depth the book does. I know it had something to do with a blackhole. Was lightspeed a factor in there? Any info would be helpful.

 

Philadelphia Experiment!

Albert Einstein (I am not sure about the spelling of his last name.)

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Lets consider this possibility: History abhors a paradox and the irritant is ALWAYS removed.

 

For instance, I go back in time and kill Hitler before he has a chance to do his thing. Everyone is like 'Good thinking'. Lets say I succeed. The Holocaust never happens because Hitler is dead and cannot order it. But nothing happens. Why is that?

 

I go back in time with a cause: Prevent the holocaust. In 1940 or whatever, I succeed but the future does not change. Because I succeeded, here in 2005 I never had a reason to travel back in time, thus I never did, thus Hitler never died, thus the Holocaust happened.

 

The irritant is ALWAYS expelled.

 

 

who needs a time machine when Astro can predict the future !! :p

 

I wonder how long it will be before someone brings up "if you had a time machine would you go back and kill Hitler.." A time travel discussion is *never* complete without someone mentioning killing Hitler...

 

*tries to predict lotto numbers*

 

mtfbwya

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Going into a black hole is a big no go

 

As soon as we get near a black hole we'd be ripped to piecesi cant really think of a way to put it *damn you booze!!* um lets try sorry if this doesnt make sense much

 

Ok say your standing next to a black hole and your arm is outstretched towards it now the pull of the black hole would pretty much rip your arm off um lets say basically though your entire body would be getting sucked in to it the closer your body parts are to the hole the faster they'd be sucked in so yeah you'd be stretched so much you'd be ripped to shreds

 

im sure it'd be possible to travel forwards in time but backwards is purely in the realms of science fiction at the moment and im sure will be for a long time to come

 

on anothe rnote did anyone ever watch sliders?

 

it'd be kinda like that i guess everytime you'd go back and change something it'd create another universe so for all we know when you go back in time your not going back into your own universe past but createing a alternitve universe where you did go back in time?

 

hmm dont worry if this doesnt make sense remember booze isnt your freind and wont allow you to time travel!

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Me, Pie and another friend sat for three hours in the middle of the night discussing the filosophies surronding time-travel. My head hurts when I even think about it. :p

 

Ironically, during that 3 hour discussion, you traveled 3 hours into the future! I know, it's lame, but there you go.

 

According to what we know, time travel to the past should be impossible due to paradoxes. And the need to "invent" new universes to explain time travel is usually considered a logical fallacy (it might be true, but it's a big assumption).

 

The issue of wormholes is a theoretical possiblity, but I don't know all the particulars. The trick would be to survive travel through one in the first place...

 

Supposedly the astronauts in orbit age slower than people on the earth's surface (but they'd only have fractions of a second added to their lifespan compared to the rest of us), so I guess not only velocity but also gravity affect it. That's why if you travelled at the speed of light weird things would happen.

 

Personally I love time travel stories (when they're well done), even if they stretch the imagination quite a bit. ;)

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You can only travel as far back as when Time Travel was created, as it hasn't been then we won't see time tourists just appear.

 

Anyways, at the current height of technology we can't go forwards in time either. It's mostly down to the lack of knowledge on how to create a wormhole or how to accelerate the end we lead into it. Also we can't go into a wormhole without a massive spiral of negative particles crushing the matter going through the hole.

 

Also, what if the universe was inside a black hole, hence it wouldn't go on forever and outside could be something far beyond 9 planets.

I believe also, that matter doesn't just get anihilated in a black hole, yet the hole just suppress' the matter and doesn't let it escape.

 

Also, to get out of a black hole I guess the use of a white hole would be needed as an exit. Although I doubt a black hole and white could co-exist next to one another.

 

My thoughts for now...

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You can only travel as far back as when Time Travel was created, as it hasn't been then we won't see time tourists just appear.

 

Anyways, at the current height of technology we can't go forwards in time either. It's mostly down to the lack of knowledge on how to create a wormhole or how to accelerate the end we lead into it. Also we can't go into a wormhole without a massive spiral of negative particles crushing the matter going through the hole.

 

Also, what if the universe was inside a black hole, hence it wouldn't go on forever and outside could be something far beyond 9 planets.

I believe also, that matter doesn't just get anihilated in a black hole, yet the hole just suppress' the matter and doesn't let it escape.

 

Also, to get out of a black hole I guess the use of a white hole would be needed as an exit. Although I doubt a black hole and white could co-exist next to one another.

 

My thoughts for now...

Well I disagree with the statement, ''You can only travel as far back as when Time Travel was created''. I believe that conclusion is base on a close universe model as some scientists believes. I believe the universe is open=infinite so meaning you can travel to the infinite past and infinite future. Also I cosidered this base off the belief since the universe is infinite logic dictates you should be able to create a closed timelike curve to travel as far back as you wish. Well thats my opinion anyway.

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I thought it was based on the idea that you'd "open a wormhole" and then use that to travel into the future. In the future, you could open another wormhole and use that to travel to the future, etc. So you'd leave all these "tunnels in time" behind you. You could theoretically then "go back" through each of the holes, but you could only return at the earliest to the first worm hole ever created.

 

I'm not sure what this says about paradoxes (I guess what would happen is that history would record you as going through the wormhole and disappearing, then suddenly one day a hole opens and you're back... but if you went BACK through the hole, would that "erase" the future "history"? arrggghh my head), and it doesn't solve the problem of how to CREATE the stable wormhole in the first place (and survive traveling through it), but there you go.

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Possibly, a reason why a paradox doesn't get created, could be the use of parallel universes every time we use a wormhole, fair enough I don't really think it's a possibility, but maybe by changing the past or future, you were only changing it for a parallel universe. The only problem is, I doubt we could get to a parallel universe just by compressing space and time then travelling through it. Although time compression could cause an effect where the universe is ahead in time, but isn't the same universe. But maybe I'm just spouting bollocks.

 

Also, windu6, I don't see any way to go through backwards in time or space. For instance, the only theorised way to go forward is to create a wormhole by compressing time and space. Yet it isn't feasible under our current state of technological advancement or comprehension to create a way to travel back. Anyways, it's all theory until time travel actually happens, which isn't likely.

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Possibly, a reason why a paradox doesn't get created, could be the use of parallel universes every time we use a wormhole, fair enough I don't really think it's a possibility, but maybe by changing the past or future, you were only changing it for a parallel universe. The only problem is, I doubt we could get to a parallel universe just by compressing space and time then travelling through it. Although time compression could cause an effect where the universe is ahead in time, but isn't the same universe. But maybe I'm just spouting bollocks.

 

Also, windu6, I don't see any way to go through backwards in time or space. For instance, the only theorised way to go forward is to create a wormhole by compressing time and space. Yet it isn't feasible under our current state of technological advancement or comprehension to create a way to travel back. Anyways, it's all theory until time travel actually happens, which isn't likely.

 

I do believe in parallel universes I also believe in what I called combinational universes where events happen in different combinations. Also the idea of using a wormhole as a time machine works like this. After you create a wormhole's mouths with negative vacuum energy you take the other mouth and move at almost the speed of light until you have the desire time dilation effect. The mouth you accelerated with has less or compress time the observer begin with, so in principle that is called a time machine.This time machine model isn't very usefull since you can't travel back before the time machine is crated.

One reason is I don't called this time travel, I believe what people called time travel is the effect being left behind by the flow of universe time. So in effect you are'nt alterating the flow of time you, are just being left behind by the rest of the universe. Well thats what I believe what most people called time travel is.

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Of course Time Travel is possible. I'm a Time Lord.

You can travel to any point in time as long as you don't meet yourself, in which case the Time Matrix would suffer irrecovable damage. The universe would suffer parallel dimensions meeting, time paradoxs, perpetual time loops, and the like. Time travel is dangerous, and humans shouldn't attempt it yet. They should wait until they stop destroying thier own planet before even leaving Earth again, as far as I'm concerned, but I don't want to start another argument, so I'll shut up now.

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