^That. We only think the past still exists somehow because we're capable of remembering it.Michael S. Azrael said:
Poll: The Time Travel Parardox
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Or, you could always go with the DBZ version. Going back to change the past only changes one timeline (and whatever results from that one). You're own causal past is unchanged, and you going forward in time returns you to an unchanged present. Different theory.
Or go with Schlock Mercenary's version, which overwrites the timeline, but preserves your causal past. In other words, you change the future, but your own existence is preserved. Close to theory 2.
Or go with Schlock Mercenary's version, which overwrites the timeline, but preserves your causal past. In other words, you change the future, but your own existence is preserved. Close to theory 2.
This question has always plagued me. Ever since I first saw 12 Monkeys with it's time travel twist of an ending, I too have been wondering the answer to this query. Was Timeline and Bill and Ted's Excellent Adventure correct and you cannot alter the future, or is Back to the Future and Primer correct and you can alter the future with a trip to the past?
Or is The Terminator and The Time Machine correct, you can alter the specifics of the future, but the result will always be the same (War with machines and the death of the wife, respectively).
In the end the question is moot. Travelling to the past is impossible. It is possible, however unlikely, to travel forward in time, but the past is off-limits.
Or is The Terminator and The Time Machine correct, you can alter the specifics of the future, but the result will always be the same (War with machines and the death of the wife, respectively).
In the end the question is moot. Travelling to the past is impossible. It is possible, however unlikely, to travel forward in time, but the past is off-limits.
I believe that time travel into the past is impossible as what has happen has happen, and cannot be changed. But time travel into the future is possible via Einstein theory of relativity (that traveling faster then speed of light will make you travel into the future or something on those lines) but thats only like taking a couple of days of your time clock nothing near years into the future. The closet thing to going into the past is time slowing down and thats only been theorize by shitloads gravity can only cause that.
they have created a sort of time machine already but an individual is limited to travelling back to the point where the machine was turned on. another problem is the energy requirements are so enourmous they've only been able to test it on a microscopic piece of radioactive material.
anyway it depends on what you believe really, theory one dictates that time is linear nothing you do would effect the time line as it would always find a way to fix itself or would constantly prevent you from accomplishing your goal.
theory two says you fuck the time line up something fierce and it just changes the future for that time line, leading to an infinate number of alternate realities.
i personally like the third theory where the universe collapses in on itself if you go back and change the past. it works on the linear time idea but says if you go back and change history then another time line will be created. the two would then compete with each other for the same space resulting in them cancelling each other out, destroying time and since space cannot exist without time --> destroying the universe.
anyway it depends on what you believe really, theory one dictates that time is linear nothing you do would effect the time line as it would always find a way to fix itself or would constantly prevent you from accomplishing your goal.
theory two says you fuck the time line up something fierce and it just changes the future for that time line, leading to an infinate number of alternate realities.
i personally like the third theory where the universe collapses in on itself if you go back and change the past. it works on the linear time idea but says if you go back and change history then another time line will be created. the two would then compete with each other for the same space resulting in them cancelling each other out, destroying time and since space cannot exist without time --> destroying the universe.
I chose Theory 2, since I subscribe to the 'Trousers of Time' idea popularized by Terry Pratchett's Discworld series. This seems to fit closest with the already (apparently proven) extremely popular theory of alternate universes. Everything that can happen has happened somewhere, in some universe, but not necessarily in this one, so by looking at Theory 2 all it does is send you down a different "Trouser Leg" of time, as it were. Similar to what happened in Night Watch to Sam Vimes, but in a real setting. And yes, I did understand the concept of time in that book, I wasn't one of the masses who had to reread it to understand what the hell was going on.
That said, I also think that in each individual universe, the passage of time is self correcting, so although you can enter a completely different reality yourself, you can never permanently change the one that you are in at that time.
That said, I also think that in each individual universe, the passage of time is self correcting, so although you can enter a completely different reality yourself, you can never permanently change the one that you are in at that time.
Other: Your perception of time is a human concept. All that exists is reactions that have already occured.
It is my considered opinion that if you went back in time to change something, you would be able to succeed but it would not affect the timeline you originated from.
Instead, it would create an all together separate timeline in which the choice you made was enacted. In essence, you would be creating an entirely separate universe.
This is based on the theory that every single possibility in the universe creates its own universe in which the consequences of that possibility are enacted.
For example, say you came to a crossroads, There is a chance you would go left, right, forward or back the way you came. Each one of these possibility's creates a different universe in which you took one of the four roads.
In theory, this principle could be used to jump from conjunction to conjunction, thus facilitating time travel.
Instead, it would create an all together separate timeline in which the choice you made was enacted. In essence, you would be creating an entirely separate universe.
This is based on the theory that every single possibility in the universe creates its own universe in which the consequences of that possibility are enacted.
For example, say you came to a crossroads, There is a chance you would go left, right, forward or back the way you came. Each one of these possibility's creates a different universe in which you took one of the four roads.
In theory, this principle could be used to jump from conjunction to conjunction, thus facilitating time travel.
other.
going on a theory that, things would carry on as you altered them. Yet I believe that every moment of time in this universe is a changing point in the exsisting time line.
for example, using an infinite universe theory, the next word I could write here could've be anything!
I could have wrote "poo" or "antidisestablishmentarianism", and there could be a parallel universe where that was written.....
going on a theory that, things would carry on as you altered them. Yet I believe that every moment of time in this universe is a changing point in the exsisting time line.
for example, using an infinite universe theory, the next word I could write here could've be anything!
I could have wrote "poo" or "antidisestablishmentarianism", and there could be a parallel universe where that was written.....
Everything about time travel is incredibly complex and an endless cycle. No.1 seems the most logical option though. Theory 2 is what looks good in the movies (and it works!! And well at that). Its hard to decide whether theory 3 could happen or not, seeming as I'm not a fucking genius with years and years of experience and study on the matter.
I voted for other as you got a point with the first one but the problem is you still could alter history.
In my opinion and many other scientist you could go back in time and change history, BUT you would change in our universe but in some pararel. This could go as liek if you went to kill you mom you can't as then you could do it so if you would kill your mom then you would kill in some paraler univers.
Michael S. Azrael
Wrong! You don't have to go faster than speed of light. In theory it would be enought that you make a time rip.
saxist01:
Wrong! Atom can't travel the speed of light only foton can.
In my opinion and many other scientist you could go back in time and change history, BUT you would change in our universe but in some pararel. This could go as liek if you went to kill you mom you can't as then you could do it so if you would kill your mom then you would kill in some paraler univers.
Michael S. Azrael
Wrong! You don't have to go faster than speed of light. In theory it would be enought that you make a time rip.
saxist01:
Wrong! Atom can't travel the speed of light only foton can.
If it were possible (highly unlikely), then read this. If you went back in time and changed something, you create a new timeline, in which you would be unaware that you changed anything, as would everyone else around you. PARADOX.