History Main / TemporalMutability

6th Jan '18 10:27:29 AM ScroogeMacDuck
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[[folder: Fan Works]]
* In ''Fanfic/TheParselmouthOfGryffindor'', while ''theoretically'' time-travel ought to allow you to change the past, in ''practice'', magic does its best to manipulate probablity so that the result is a StableTimeLoop. The farther back in time you go and the more efforts you make to change the past, the more unstable space-time becomes until you're either obliterated or kicked back to your home time period. Try too hard and you might cause a TimeCrash, and you can bet you won't be there anymore when the universe reboots.
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29th Oct '17 11:44:05 AM Mr.Bubbles
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* ''Blog/AskTheNewHopesPeak'' seems to be mostly this, but with some elements of Type 5. When the future children of some of the characters accidentally end up in the present, they themselves try not to actively cause any serious changes at first. However, the quantum systems that they brought back with them by their act of time travel end up setting things off in different directions. This leads to, among other things, the deaths of some people who they knew to be alive in their version of the future. [[RippleEffectProofMemory They still remember what the future was like]] and try to use that to help push things in the right direction, but things also seem to be moving in the general direction that they knew before.

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* ''Blog/AskTheNewHopesPeak'' seems to be mostly this, this and involves branching paths, but with some elements of Type 5. 5 as well. When [[KidFromTheFuture the future children of some of the characters from 2034]] [[TrappedInThePast accidentally end up in the present, present]], they themselves try not to actively cause any serious changes at first. However, the quantum systems that they brought back with them by their act of time travel end up setting things off in different directions. This leads to, among many other things, the deaths of some people who they knew to be alive in their version of the future. [[RippleEffectProofMemory They still remember what the future was like]] and decide to try to and use that to help push things in the right direction, direction or [[SetRightWhatOnceWentWrong stop some events from playing out]], but things also seem to be moving in the general direction that they knew before.of their own accord as well.
29th Oct '17 11:40:37 AM Mr.Bubbles
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[[folder: Fan Fic]]
* ''Blog/AskTheNewHopesPeak'' seems to be mostly this, but with some elements of Type 5. When the future children of some of the characters accidentally end up in the present, they themselves try not to actively cause any serious changes at first. However, the quantum systems that they brought back with them by their act of time travel end up setting things off in different directions. This leads to, among other things, the deaths of some people who they knew to be alive in their version of the future. [[RippleEffectProofMemory They still remember what the future was like]] and try to use that to help push things in the right direction, but things also seem to be moving in the general direction that they knew before.
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19th Oct '17 5:01:24 AM nighttrainfm
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* ''Series/DoctorWho'' has aspects of almost all of them, ocassionally it [[DependingOnTheWriter depending on who's at the helm]]. Previously Enforced Immutability was implied via the Timelords who're all dead now. These days the term ''Fixed Point'' is used to describe events which are basically historical lynch pins: you can ''technically'' change them, but you shouldn't seeing as the universe will [[TimeCrash fall apart]]. They also had the Reapers (beyond creepy monsters from outside time who came to "sterilise the wounds" if things got too messed up, but you had to [[UpToEleven really]] screw history up to get them. Mostly it's RubberBandHistory in effect, with the occasional burst of YouAlreadyChangedThePast for variety's sakes (It's even possible to avoid Paradoxes if you're clever enough to create a Paradox Machine which holds the current time in place regardless of what you do to the past (hence why the third season finale had [[spoiler:a bunch of transformed humans killing off their ancestors and suffering no ill effects despite essentially erasing their history.]]) It helps that the main character can see all of time and space in his head at his whim and pick and choose whether he wants to/can afford to be a conscientious Temporal Balancing Actor or just screw with everything.

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* ''Series/DoctorWho'' ''Series/DoctorWho'':
** The franchise
has aspects of almost all of them, ocassionally it depending largely on RuleOfDrama and [[DependingOnTheWriter depending on who's at the helm]]. Previously helm]].
** Before the revival and the Time War,
Enforced Immutability was implied via the Timelords who're all dead now. Time Lords. These days days, the term ''Fixed Point'' "fixed point" is used to describe events which are basically historical lynch pins: you can ''technically'' change them, but you shouldn't seeing as the universe will [[TimeCrash fall apart]]. They also had the Reapers (beyond creepy monsters from outside time who came to "sterilise the wounds" if things got too messed up, but you had to [[UpToEleven really]] screw history up to get them. them.
**
Mostly it's RubberBandHistory in effect, with the occasional burst of YouAlreadyChangedThePast for variety's sakes (It's even possible to avoid Paradoxes if you're clever enough to create a Paradox Machine which holds the current time in place regardless of what you do to the past (hence why the third season finale had [[spoiler:a bunch of transformed humans killing off their ancestors and suffering no ill effects despite essentially erasing their history.]]) It helps that the main character can see all of time and space in his their head at his whim and pick and choose whether he wants they want to/can afford to be a conscientious Temporal Balancing Actor or just screw with everything.
13th Sep '17 3:36:38 PM Jhamin
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* In Disney Duck Comics, the fact that there are various authors with different opinions and nobody to control, if you search long enough, you'll most certainly find examples of all the sub-tropes, ''and'' a few original ideas.



!!!Two or more examples in the same series
[[folder:{{Comics}}]]
* In Disney Duck Comics, the fact that there are various authors with different opinions and nobody to control, if you search long enough, you'll most certainly find examples of all the sub-tropes, ''and'' a few original ideas.
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5th Sep '17 7:29:50 AM Synch
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* The ''Literature/StarTrekDepartmentOfTemporalInvestigations'' series spends a good amount of time explaining the temporal science behind ''Franchise/StarTrek'' since it is so central to its theme; not an easy task with how fast and loose other works play with the rules. The physics of time travel fall closest to this category, with a lean towards Type 3, since while changes to the timeline will not snowball indefinitely into the future, it can take a ''very'' long time for the rubber band to correct large changes -- potentially centuries or millennia, which might as well be forever on a human timescale.

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* The ''Literature/StarTrekDepartmentOfTemporalInvestigations'' series spends a good amount of time explaining the temporal science behind ''Franchise/StarTrek'' since it is so central to its theme; not an easy task with how fast and loose other works play with the rules. The physics of time travel fall closest to this category, with a lean towards Type 3, since while changes to the timeline will not snowball indefinitely into the future, it can take a ''very'' long time for the rubber band to correct large changes -- potentially centuries or millennia, which might as well be forever on a human timescale. Smaller changes can still be dangerous, but unlike Type 5, time travelers aren't likely to destroy an entire civilization just by sneezing.
5th Sep '17 7:27:45 AM Synch
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[[folder:Literature]]
* The ''Literature/StarTrekDepartmentOfTemporalInvestigations'' series spends a good amount of time explaining the temporal science behind ''Franchise/StarTrek'' since it is so central to its theme; not an easy task with how fast and loose other works play with the rules. The physics of time travel fall closest to this category, with a lean towards Type 3, since while changes to the timeline will not snowball indefinitely into the future, it can take a ''very'' long time for the rubber band to correct large changes -- potentially centuries or millennia, which might as well be forever on a human timescale.
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29th Jul '17 2:56:23 PM RacattackForce
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[[folder:Western Animation]]
* ''WesternAnmiation/MiloMurphysLaw'' has this. There's a time travel organization that sends its agents into the past to deliberately alter certain events, with the two agents seen most often (Cavendish and Dakota) tasked with making sure the pistachio nut doesn't go extinct. The episode "Missing Milo" also has the duo unintentionally set up a StableTimeLoop involving a peach, while the main character plans to do the same when his friends discover a note from the 1960s that is addressed by him but that he never wrote.


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[[folder:Western Animation]]
* ''WesternAnmiation/MiloMurphysLaw'' has this. There's a time travel organization that sends its agents into the past to deliberately alter certain events, with the two agents seen most often (Cavendish and Dakota) tasked with making sure the pistachio nut doesn't go extinct. The episode "Missing Milo" also has the duo unintentionally set up a StableTimeLoop involving a peach, while the main character plans to do the same when his friends discover a note from the 1960s that is addressed by him but that he never wrote.
[[/folder]]
29th Jul '17 2:55:50 PM RacattackForce
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Added DiffLines:


[[folder:Western Animation]]
* ''WesternAnmiation/MiloMurphysLaw'' has this. There's a time travel organization that sends its agents into the past to deliberately alter certain events, with the two agents seen most often (Cavendish and Dakota) tasked with making sure the pistachio nut doesn't go extinct. The episode "Missing Milo" also has the duo unintentionally set up a StableTimeLoop involving a peach, while the main character plans to do the same when his friends discover a note from the 1960s that is addressed by him but that he never wrote.
9th Jul '17 9:09:06 AM nombretomado
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Could you go back and [[SetRightWhatOnceWentWrong save your brother from that fatal car crash]]? Could you [[Film/{{Primer}} punch your boss in the face, then go back and stop yourself]]? [[GodwinsLawOfTimeTravel Could you prevent]] WorldWarII [[GodwinsLawOfTimeTravel by going back to 1930 and killing]] UsefulNotes/AdolfHitler? [[spoiler:[[HitlersTimeTravelExemptionAct Nope.]]]]

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Could you go back and [[SetRightWhatOnceWentWrong save your brother from that fatal car crash]]? Could you [[Film/{{Primer}} punch your boss in the face, then go back and stop yourself]]? [[GodwinsLawOfTimeTravel Could you prevent]] WorldWarII UsefulNotes/WorldWarII [[GodwinsLawOfTimeTravel by going back to 1930 and killing]] UsefulNotes/AdolfHitler? [[spoiler:[[HitlersTimeTravelExemptionAct Nope.]]]]



#'''RubberBandHistory:''' Time is ''mostly'' immutable, like a wide river following a well-worn path. Travelers can make changes to the past, but these changes inevitably get smoothed over by the passing years. For example, it would be possible to [[HitlersTimeTravelExemptionAct travel back to 1930 and assassinate Hitler]], but WorldWarTwo (or some equally bad conflict) would still happen anyway. [[SetRightWhatOnceWentWrong Setting Right What Once Went Wrong]] works, but only in the short term; [[MergedReality Making A Better World]], unfortunately, doesn't work. Unless you were to apply a sufficiently large change, one that would stretch the rubber band until it snaps, freeing history to run in a different direction.

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#'''RubberBandHistory:''' Time is ''mostly'' immutable, like a wide river following a well-worn path. Travelers can make changes to the past, but these changes inevitably get smoothed over by the passing years. For example, it would be possible to [[HitlersTimeTravelExemptionAct travel back to 1930 and assassinate Hitler]], but WorldWarTwo UsefulNotes/WorldWarII (or some equally bad conflict) would still happen anyway. [[SetRightWhatOnceWentWrong Setting Right What Once Went Wrong]] works, but only in the short term; [[MergedReality Making A Better World]], unfortunately, doesn't work. Unless you were to apply a sufficiently large change, one that would stretch the rubber band until it snaps, freeing history to run in a different direction.
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http://tvtropes.org/pmwiki/article_history.php?article=Main.TemporalMutability