Time travel thought

Actually it is very simple...

If you go back in time you effectively create another quantum instance of our universe. Anything you do affects the future of that instance. It doesn't affect the instance you left (which you can't ever get back to incidentally). If you return to your own time you do so to the (modified) future of your new instance. However, travelling forward in time also creates a new quantum instance so you end up in another instance - one which has the history of your home instance up to the point you travelled backward in time to, then it's own modified history up to the point you trevelled forward in time to.

There are an infinite number of such instances with infinite numbers being created every second.

It is quite simple really - I hope that clarifies everything :)
 
Actually it is very simple...

If you go back in time you effectively create another quantum instance of our universe. Anything you do affects the future of that instance. It doesn't affect the instance you left (which you can't ever get back to incidentally). If you return to your own time you do so to the (modified) future of your new instance. However, travelling forward in time also creates a new quantum instance so you end up in another instance - one which has the history of your home instance up to the point you travelled backward in time to, then it's own modified history up to the point you trevelled forward in time to.

There are an infinite number of such instances with infinite numbers being created every second.

It is quite simple really - I hope that clarifies everything :)

Well, this'll be a relief to the countless scientists who, over the ages, have grappled with what turns out to be a very straightforward problem!

OCUK General Discussion - swatting the wasps from the pure apple of truth :mad:
 
Because of course it's much easier to invent a time machine than to improve solar panel technology.

Solar panel tech is only one example. By travelling to the future, we could bring back with us a technology that hasnt been invented (or named), as yet.
 
Now you're just being silly. We'll have to get that technology from aliens, so we'll solve intergalactic travel first

Now hang on there.

If we follow your theory through, we will need 2 things to happen:
1. time travel to be developed, tested and made reliably possible; and
2. find intelligent aliens.

One step at a time. :p
 
The Restaurant at the End of the Universe is one of the most extraordinary ventures in the entire history of catering. It has been built on the fragmented remains of... it will be built by this time, and ideed has been-
One of the major problems encountered in time travel is not that of accidentally becoming your own father or mother. There is no problem involved in becoming your own father or mother that a broad-minded and well-adjusted family can't cope with. There is no problem about changing the course of history - the course of history does not change because it all fits together like a jigsaw. All the important changes have happened before the things they were supposed to change and it all sorts itself out in the end.
The major problem is quite simply one of grammar, and the main work to consult in this matter is Dr. Dan Streetmentioner's Time Traveler's Handbook of 1001 Tense Formations. It will tell you, for instance, how to describe something that was about to happen to you in the past before you avoided it by time-jumping forward two days in order to avoid it. The event will be described differently according to whether you are talking about it from the standpoint of your own natural time, from a time in the further future, or a time in the further past and is further complicated by the possibility of conducting conversations while you are actually traveling from one time to another with the intension of becoming your own mother or father.
Most readers get as far as the Future Semiconditionally Modified Subinverted Plagal Past Subjunctive Intentional before giving up; and in fact in later editions of the book all the pages beyond this point have been left blank to save on printing costs.
The Hitchhicker's Guide to the Galaxy skips lightly over this tangle of academic abstration, pausing only to note that the term "Future Perfect" has been abandoned since it was discovered not to be.
To resume:
The Restaurant at the end of the Universe is one of the most extraordinary ventures in the entire history of catering.
It is built on the fragmented remains of an eventually ruined planet which is (wioll haven be) enclosed in a vast time bubble and projected forward in time to the precise moment of the End of the Universe.
This is, many would say, impossible.
In it, guests take (willan on-take) their places at table and eat (willan on-eat) sumptuous meals while watching (willing watchen) the whole of creation explode around them.
This, many would say, is equally impossible.
You can arrive (mayan arrivan on-when) for any sitting you like without prior (late fore-when) reservation because you can book retrospectively, as it were, when you return to your own time (you can have on-book haventa forewhen presooning returningwenta retrohome).
This is, many would now insist, absolutely impossible.
At the Restaurant you can meet and dine with (mayan meetan con with dinan on when) a fascinating cross-section of the entire population of space and time.
This, it can be explained patiently, is also impossible.
You can visit it as many times as you like (mayan on-visit reonvisiting... and so on - for further tense correction consult Dr. Streetmentioner's book) and be sure of never meeting yourself, because of the embarrassment this usually causes.
This, even if the rest were true, which it isn't, is patiently impossible, say the doubters.
All you have to do is deposit one penny in a savings account in your own era, and when you arrive at the End of Time the operation of compound interest means that the fabulous cost of your meal has been paid for.
This, many claim, is not merely impossible but clearly insane, which is why the advertising executives of the star system of Bastablon came up with this slogan: "If you've done six impossible things this morning, why not round it off with breakfast at Milliways, the Restaurant at the End of the Universe?"
Just because.
 
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If you just travel either the 5th (or 6th (i can't fully remember)) dimension then you can skip the whole going back to change the past and just go directly to a time line where it has already been changed saving you time. Of course doing that doesn't make tv as good :p
 
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If you just travel either the 5th (or 6th (i can't fully remember)) dimension then you can skip the whole going back to change the past and just go directly to a time line where it has already been changed saving you time. Of course doing that doesn't make tv as good :p
Not dimensions. You're thinking of parallel universes or a multiverse. Movies often screw this up. It's just like making a quantum leap in technology.
 
Has anyone seen the film 'Primer'?

That had a very interesting take on time travel.

Brilliant little indie film, really enjoyed it. Also shows some good points on the theories of time travel, for instance "you can't go back in time past the time that the machine was turned on".
 
So surely this means the future is pre-determined and no matter what happens you cannot change the future, simply because you are changing the conditions of the particle collisions which eventually result in the collisions which take place in the present environment from which you came?

It would if it weren't for quantum events like the decay of radiation which are truly random.
 
What if we were to presume that while going back in time one could not, specifically because the whole paradoxal multiple timeline issue is impossible (time is linear, what happened, happened, there isn't much to it) in any way interact with timeline? Then the whole ghost/sixth sense/"had eery feeling I wasn't alone in the room" paraphenalia actually become evidence?

Also - for your own amusement - look up "John Titor" in google. Fantastic take on time travel story - with pictures and everything. It was one of the most immersive cyber stories ever created at it's peak. Dude posted pictures, answered every question thrown at him and left a crowd of people with few pretty solid degrees scratching their heads for years. Absolutely brilliant.
 
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