If you traveled back in time to a particular year to stop something minor from happening ?
such as making sure somebody you never met or knew, doesn't meet another person in a chance encounter, another person you have never met or knew.
All you must do is ensure this 'interaction' never takes place at all and that the world just seemingly carrys on as it were.
if you go back to that time and its July 1989, but you find a version of you already there trying to prevent this meeting from occuring..what happens ?
theres two of you here, it appears therefore that this 'mission' had failed at least on one occasion, a version of you had already attempted to prevent these two people from meeting (but clearly must have failed since you're here and can see a version of you..)
so would it be best to return back to your original timeline and let the first version of you continue to fail the mission or do you continue with your mission to succeed irrespective of your earlier version failing ?
obviously your previous version and your now version in july 1989 must not ever 'meet' that would be catastrophic..
simply want to know what course of action is best, continue with mission or abandon it ?
- TomLv 75 months ago
Perhaps if you do not interrupt the chain of events that led to your embarking on your Time trip when you did. You will not be able to do ANYTHING though that affects your own timeline-----Otherwise you would not be there to do it. And since a Paradox CANNOT exist in the past as well as in the present, any attempt you make, you will find you cannot follow through (as if something was holding you back)---Really a lack of available energy rather than a mysterious "force" keeping you from pulling the trigger on the gun you plan to shoot your Grandfather with.----A good allegory would be an electric relay switch with the coil current going through the normally closed contact set.---The energy is cut off when the switch is activated and it never closes the normally open contact.------------You CAN indeed make changes in the past, but NONE that would affect your own timeline governing your own existence or even the time you departed on your time mission.
- 5 months ago
It will really interesting to travel back time. I remember the time machine story of h g wells. It will be great to experience a time travel. Do you have any time machine right now ? (just joking) hahahahahah
- nebLv 75 months ago
Since we are just doing wild speculation, it might be useful to think of this in terms of one of the variants of the quantum eraser experiments to give some idea of a reconciliation mechanism for time travel ...
In the double slit experiment, the results of the experiment depend on whether or not you ‘tag’ a particle to determine which slit it went through. If you don’t ‘tag’ a particle, the particle acts like it went through both slits. If you do tag a particle it contains information about which slit it went through. But what happens if you erase the ‘tag’ AFTER the particle has passed through one of the slits? It turns out then that the particle acts like it went through both slits - the history of it going through a particular slit has been ‘erased’.
This is of course a quantum particle experiment, and the particle wasn’t consciously aware that it went through a slit and its ‘memory’ and everything associated with that event was erased, but it’s kind of interesting how quantum mechanics operates in away to preserve consistency by erasing histories .....
- Anonymous5 months ago
Those questions have led to a multitude of short stories and novels.
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- PhilomelLv 75 months ago
Time travel is not possible so the question is moot and the answer meaningless.
- oil field trashLv 75 months ago
You are assuming there will be two of you back in time. Actually when you go back you will only find there is one of you and that is you. There will not be two of you.
- ?Lv 75 months ago
Time travel as a concept is insanely complicated. You run into all sorts of paradox, especially with multiple travellers/trips. Maybe the first you failed because the second you went back and interfered. Maybe the second you went back because the first you failed. Maybe the future (from the perspective of someone in 1989) is fixed, and nothing you do can change it. Maybe the future is fixed, but you travelling back to change it is actually part of the timeline, and you cause the events which you came back to stop, which would not have occured if you didnt go back. Maybe the future is changeable, but changing things removes your motivation to go back, so you dont, creating a paradox, so you can only go back in time to try and fail to change events, because that wont create a paradox. Maybe its actually interdimensional travel, and the "time" you go back to is a different version of reality, so you can change events in that reality, but it doesnt affect your own reality.
- Andrew SmithLv 75 months ago
If you ACTUALLY went back in time then EVERYTHING must be exactly as it was at that time. There wouldn't be two of you. Nor was the you, at that time, aware of any mission to alter the future. So in effect you abandon the mission due to not even knowing there WAS one.