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time travelling fun

I can think of a few good reasons to go to the past, pretty much all of them to sort out prehistoric or historical debates; maybe you've seen a few things here and there about the creation debate? That event might be reason enough for people to want to go back.
 
I'd rather go forward to Jesus' second coming, or 8000 years into the future just to tell everyone if he ever came back.

There's a good chance I'd be seen as a lunatic (I SAW GOD, REALLY, I DID.) unless I showed everyone the time machine, but at least I'd know the answer myself.

This way I could also sort out a ton of other debates as well (climate change, peak oil, who would be a better president, etc.).
 
I have actualy changed my mind after studing for my PHIL exam on Time Travel. I would go to the future since its actually impossiable to change the past thus there is little value traveling bact to the past. (I would still want to go though if the oppotuniuty presented itself!)
 
If you came back to the present, you can't change the future either. This is because, otherwise, you would have travelled to a place which is not the future. Therefore, you did not "change it" per se, because the place where you went was never the future in the first place.
 
Jack Jack said:
If you came back to the present, you can't change the future either. This is because, otherwise, you would have travelled to a place which is not the future. Therefore, you did not "change it" per se, because the place where you went was never the future in the first place.
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Exactly. The idea of a single linear time (as opposed to infinite parallel universes, in which case time-travel is a misnomer) implies fate.
 
As I think I previously mentioned, not quite true. You can still make what you know happens happen. You run into trouble explaining the causality, but there are no contradictions.
 
Yeah, you can still interact with your past/future, it just won't change anything. Your interactions were predestined to happen anyway, so your actions in the past/present would only serve to create the present/future that you saw in the first place.
 
MrIndigo said:
Yeah, you can still interact with your past/future, it just won't change anything. Your interactions were predestined to happen anyway, so your actions in the past/present would only serve to create the present/future that you saw in the first place.
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Why does the past/future you saw have to correspond in anyway way to the past/future you saw? The causality does not imply this unless at all.
 
"The future" is what happen when time pass.

If you see an event that to not happen when time pass, the event you see where not in the future.
 
My opinion is that causality is multifaceted, and that any given thing that has any probability of happening in a given unit of time (the smallest one, in this case, a Planck Second) WILL happen in some instances and will not in other instances, and the timeline branches accordingly.

For instance, if I flip a coin (and manage to do so in one Planck Second) there will be a timeline where the coin is heads, due to various uncertain factors at the quantum level, and a timeline where it will be tails for the same reason. Therefore, I think it's entirely possible to "change the future", although I think all you'll be doing is shifting the future that you know down to another branch of the timeline.

Like this (yeah I like this comic a lot)
http://www.thedoghousediaries.com/?p=923
 
billymills said:
Why does the past/future you saw have to correspond in anyway way to the past/future you saw? The causality does not imply this unless at all.
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If past is defined as "events that occurred at a time prior to the present" and future as "events that will occur at a time after the present":

If you see a future, and then do things in the present to prevent the occurrence of the events you saw in the future; then what it was you saw never happens and hence it was never the future.

The same form of causality applies to seeing the present, and then changing the past to make the present never occur.
 
billymills said:
Why does the past/future you saw have to correspond in anyway way to the past/future you saw? The causality does not imply this unless at all.
Click to expand...

If past is defined as "events that occurred at a time prior to the present" and future as "events that will occur at a time after the present":

If you see a future, and then do things in the present to prevent the occurrence of the events you saw in the future; then what it was you saw never happens and hence it was never the future.

The same form of logic applies to seeing the present, and then changing the past to make the present never occur.
 
Adm. Empoleon said:
I would like to back to the past.

Why?

The present is the result of actions done in the past, so by going back to the past, I can fix the shit that we have now. Like killing Osama bin Laden before 9/11 (damn asshole gave Arabs a bad name), I could see how Petra was built, I could participate in some wars, I could see how Arabs were 5000 years ago (no, i don't want to see Muhammad, although that would be a bonus).

I could see if the Hashashins (the guys from Assassin's Creed) were real, and if they were, I could join them for fun.

I could alter the present by fucking the past.
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THIS!!

I would also travel to the past, not for preference, but because not to avoid the future. I might have to experience 60 degree Celsius climates. Or I might be so tempted to bring something back from the future. That I mess the crap with all of the time, and then there is nothing I could do. Im looking at you, Back to the Future!!.
However it would be nice, to see how many Pokemon generations GameFreak can go.
However if I mess with the past, which will ultimately affect the future, I could just go further back, and then stop me doing the doing of messing up the future. And if that guy messes up, then I tell the guy that is trying to stop the guy from messing up, mess up
However there are some limits I would impose.
Such as the fact that I will never ever ever mess with religious affairs. I dont want to know. I want to feel like Im right!
 
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