Thursday, August 02, 2007

Time travel paradox and Terminator

Hmm, mind wandered a bit at work and got to thinking of the great time travel paradox of killing your own grandfather and put it to use on a great movie, The Terminator.

Paradox simply going - If you went back in time and killed your own grandfather when he was a teen, what would happen to the time line since he would not have been around to father your mother/father and thus you would never have been born making it impossible for you to go back in time to kill your grandfather.

Now, look at it in the way of Terminator. The Terminator (played by the ever so loveable Arnie) is sent back in time by Skynet to kill Sarah Connor so that John Connor can never be born who would be the leader of the revelution of humans against the machines. So, if Arnie had succeded in his mission (come on, not like I spoiled anything...when would you have a villian actually being successful in his plot????) then why would he have been sent back from the future to kill Sarah Connor because Skynet would not have known about John Connor, there might have not been a rebelion against the machines or possibly there would have been a new leader arising at which point there is always going to be a rebellion so who cares who is the leader.

So, taking to meaning that if Arnie did kill Sarah and another leader came up, then wouldn't Arnie have been sent back originally to kill that other leader, thus making it mean that he wasn't sent back to kill Sarah, so Sarah lived and therefore she could have had John Connor and the time line would have been returned to normal? Wouldn't that mean that no matter how hard Arnie tried, Sarah would definitly live to have John and he would definitly live to the time that he would have died naturally without time travel intervention? Sort of makes the movies anti-climatic (at least now) like watching Star Wars The Phantom Menace and watching Anikin go though the pod racing and you really aren't worried he is going to die cause you have already watched what happens to him in the 4th-6th movie.

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