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Originally posted by Druscilla
Originally posted by ImaFungi
whered you get this idea from?
It's very simple. Once something has been observed, it cannot be unobserved.
If you make a time machine, then travel back in time to destroy that time machine, you have simply created an alternative space-time point that will continue on in it's own fashion. You would still be able to go back to the point where you finished the time machine, or any other observable and observed point.
You could travel to the point in time just before traveling and kill yourself before you ever pressed the button to start time travel, but, the fact that you've already pressed the button to get to whatever point you decide you want to get to is an observation, so, no matter how many times or ways you try to kill yourself or destroy your own time machine in the past, you are only creating alternative points in space-time.
Every observed point in space-time is like an indestructible photograph. You can make copies of the photograph, make changes, destroy the copies or alter them beyond recognition, but, the very original point in space-time that was first observed will always be there to go back to.
Every time you make any attempt to change the original observed reality of any space-time point that's been observed, you only result in the creation of a copy.
This is why we don't see any evidence of time travel.
We have already observed our past and that observable past shows no observation of time travel.
You could go back in time and make sure that Ancient Egyptian cultures survives into modern days, or make it where Hitler won WWII, save the Titanic, prevent JFK from being assassinated, or any number of things, but, doing so only creates new observed space-time points that continue on their own separate courses without ever altering or changing the original observed point or time-line.
You could thus make whatever reality you want to make, and follow it, or forget it, without ever worrying about ever being able to get "home".
edit on 11-8-2012 by Druscilla because: (no reason given)
Originally posted by The Endtime Warrior
reply to post by OrphenFire
I do get that time is "relative" Do you think that perception of time plays a part in how fast we age? I don't know if that is the right question to ask it seems to me that if we were in suspended animation for the purposes of time travel and our of perception of this would seem like no time at all spent, could be a reason why aging is slowed down, no?
If we are traveling very fast for the purpose of time travel and our perception of this would seem like no time at all spent, could be a reason why aging is slowed down, no?
Do you think that perception of time plays a part in how fast we age?
Originally posted by Consequence
Originally posted by The Endtime Warrior
reply to post by OrphenFire
I do get that time is "relative" Do you think that perception of time plays a part in how fast we age? I don't know if that is the right question to ask it seems to me that if we were in suspended animation for the purposes of time travel and our of perception of this would seem like no time at all spent, could be a reason why aging is slowed down, no?
First of all, in real life, "Time travel" as such is not possible.
Sorry about reversing the order of your statements as well as not quoting you exactly, but it's easier that way:
If we are traveling very fast for the purpose of time travel and our perception of this would seem like no time at all spent, could be a reason why aging is slowed down, no?
No.
You do not seem to think/get that time is relative despite your first sentence.
It doesn't "seem" as no time (actually, little time passes). If you would be looking at your clock watching the seconds tick while traveling very fast, it would to you seem exactly the same as if you would be doing it right now behind your computer. The second has the exact same length as now. Your trip would be done i a few minutes, and many more minutes has lapsed at your destination (assuming it's the same place as your departure). This means that your cells in your body have also aged the same amount of time as your clock tells you.
So in short, "perception" is exactly what is happening to you, there is no "seems like" in that.
Do you think that perception of time plays a part in how fast we age?
This is essentially already answered now (answer from the future ). Your local time dictates how fast you age. You will always perceive time the same way as you do now.
Originally posted by CALGARIAN
Soon as you go back or forward, you are on a different world-line.edit on 11-8-2012 by CALGARIAN because: (no reason given)
Originally posted by felixjames20
Hello all,
The idea of time travel is so appealing to me, i've had so many thought on the matter.
My latest thought is what if time is circular?
Theory would be: Time starts then ends and then starts again each time it starts again some things are different from the last. (this might explain de-ja vu) anyway within this timeline time travel is possible, but only if you take yourself outside of space time, thus exsisting at all points of time everywhere at the same time. But you can only observe not affect anything.
This would allow time travel to be possible and also neglect the big issues of time paradox's?
idea's anyone?
or am i talking absolute rubbish :-)
Originally posted by Blue Shift
I'm of the opinion that there are no parallel universes for the simple reason that I'm only experiencing the one I'm in right now. If there are others, why am I not experiencing them?
...Which might be a good reason why time travelers don't like to make themselves publicly known. There are consequences.
Originally posted by felixjames20
You are a funny one, every thought of a comdey act.
I did say it was a thought, I never said I was a quantum physicist.
I could sit here typing about how narrow minded you must be in order not to think outside of a box but i simple cannot be bothered.
Everyones views are valid on this topic,
and the reason for it is that nobody has even come close to proving wether time travels in a direct line, is curved like space, circular, is a web where point intersec each other etc etc never mind inventing a time machine.
If you think you know it all, go build one and let me know how that works out for you.
Originally posted by felixjames20
Everyones views are valid on this topic, and the reason for it is that nobody has even come close to proving wether time travels in a direct line, is curved like space, circular, is a web where point intersec each other etc etc never mind inventing a time machine