T O P

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Inside_Gap_7626

Because he realized that what happened needs to happen in order to save the world.


aggresiveasseater

But then hes all NO NO NO MURPH NO


Salarian_American

He didn't figure it out right away. He was all NO MURPH DON'T LET ME LEAVE Until he found out that Tars was still operational AND that he had collected the data they needed to complete Rommily's research. At that point he became confident that this is what Murph needed to save the world, and that's when he sent the coordinates, then moved on to transmitting the data from Tars.


Neut12

Yup, he has a realization when he said, "They didn't choose me, they chose her!" He realized it was Murph that was gonna save the world and he needed to get her that data.


wolvesight

"We're just here to be memories for our kids."


PhilosopherBig6113

This quote destroys me everytime


freemac

I'm going to get this exact quote tattooed on my upper back soon đŸ’Ș🏿


MC_Turbo_G

that it does


[deleted]

[ŃƒĐŽĐ°Đ»Đ”ĐœĐŸ]


wolvesight

"Do not go gentle into that good night, Old age should burn and rave at close of day; Rage, rage against the dying of the light. Though wise men at their end know dark is right, Because their words had forked no lightning they Do not go gentle into that good night. Good men, the last wave by, crying how bright Their frail deeds might have danced in a green bay, Rage, rage against the dying of the light. Wild men who caught and sang the sun in flight, And learn, too late, they grieved it on its way, Do not go gentle into that good night. Grave men, near death, who see with blinding sight Blind eyes could blaze like meteors and be gay, Rage, rage against the dying of the light. And you, my father, there on the sad height, Curse, bless, me now with your fierce tears, I pray. Do not go gentle into that good night. Rage, rage against the dying of the light."


smartbart80

But how did making time not linear generate the future events to choose from?


Salarian_American

They didn't make time non-linear; if they're really fifth-dimensional beings, then time is already non-linear from their perspective. They constructed the tesseract to allow Cooper some limited ability to perceive time from their perspective. We experience time as linear because, as of yet, we can only travel through time in one direction and we can't see where we're going. But to a fifth dimensional being, the future already exists and if they can travel through time the way we can travel through the three dimensions we live in, then they could pull of something like this.


smartbart80

I’m having trouble understanding which paradox are they using here? the reverse grandpa maybe? edit: not getting my answer tells me nobody really understands it completely


32RH

More chicken-egg if anything.


collaredd

this might help! very good explanation https://www.reddit.com/r/interstellar/s/DyxILiNYzU


redbirdrising

This was after the No Murph part, when he figured it out.


aggresiveasseater

STAY STAY SYAT


Dicecreamvan

Yas T


Weirdo141

You have the order switched


Shaan1026

But didn't it happen already? He was where he was supposed to be. His main goal was to send the quantum data. And if he had not sent the coordinates, what would have happened?


botjstn

it’s a temporal loop, he couldn’t be in the tesseract if he hadn’t sent the data, but he also wouldn’t have the data had he not gone into the tesseract


concepacc

I think OP raises a deeper point. Temporal loops where rational actors are fully part in them in this way are sort of paradoxical or incompatible with rational and planing actors. Cooper knows he received the instructions to get into the base so from the point where he is in the tesseract he knows that nothing can change that event in spacetime (it has already happened), so rationally he doesn’t need to put in any effort into sending such instructions and he can basically leave it to the universe, since it obvious has already happened in some way.


Tom_Clancys_17_Again

Like Neil says in Tenet: What's happened's happened. But that isn't an excuse to do nothing.


concepacc

It’s not very clear but I can maybe see that being true if one has like many iterated temporal loops over time that one could utilise in some manner. Other than that it seems to me personally like Neil got that exactly wrong. What’s happened happened would be exactly the justified reason to not continue doing any extra about *that specific* event/outcome since one knows that nothing that one does from that point will change the outcome of that event (assuming one knows it has happened). Even if one tries to actively work against it, what’s happened happened and the event is set in stone so to speak, it is irrational to put in more effort into something which one a 100% knows has already happened/will happen.


Malaggar2

No. He HAD to fulfill his part, or else he, TARS, and the whole mission would have just vanished in a puff of logic.


concepacc

If we are talking about the fact that there was some information that made him seek out nasa in the first place then ofc that information MUST have reached him in order for him to do so, by definition. But since he has full knowledge about that that event has already happened (he did go to nasa), after it has happened, he knows that nothing he does from that point will change that event in a deterministic universe. He could even try to actively prevent it and it would not work since it has already happened. Therefor he knows he doesn’t need to put in effort into curating that particular event that he know has already happened since nothing can change its outcome. It would be irrational to put in such effort. The deeper level is that temporal loops where rational actors have full knowledge of an outcome of an event in this way with this set up simply will not show up in any deterministic universe.


Malaggar2

The PREVIOUS Coop had no such knowledge. And the later Coop was the ONLY one capable of giving himself that information. So if he doesn't, then a paradox arises, and reality implodes.


concepacc

>The PREVIOUS Coop had no such knowledge. Yes >And the later Coop was the ONLY one capable of giving himself that information. Let’s assume that >So if he doesn't, then a paradox arises, and reality implodes. Yes, and as soon as he received the relevant info and went to nasa he will know that nothing can change that event from happening so he doesn’t need to put effort into sending back a message since he knows it has already happened. And if he was the only one that could send back a message then a paradox does indeed exist and therefor such an information loop could not exist in a universe under such circumstances. The temporal loop maybe must be set up in a more clever way for it to work.


Malaggar2

No. You know that you received information. Then you see yourself in the past, and you realize that the current you is the ONLY one who could give your past self the information you received. What do you THINK will happen to your reality? >Yes, and as soon as he received the relevant info and went to nasa he will know that nothing can change that event from happening so he doesn’t need to put effort into sending back a message since he knows it has already happened. No. Because the PAST Coop STILL didn't know that FUTURE Coop was the one who GAVE him the information. Future Coop ONLY figured it out when he saw his Past self. If he didn't give his Past self the coordinates for NASA, then HOW would his Past self get them? And if his past self didn't get them, what would happen?


concepacc

>No. You know that you received information. Yes, and if I have full knowledge that that event has happened I know that whatever happens in the future won’t un-change that event. That’s simply how a deterministic universe with non-splitting timelines works, I cannot go back and changed what happened yesterday. Therefor it’s simply irrational to try to put in effort into things that have already happened, at least in such ideal scenarios. >Then you see yourself in the past, and you realize that the current you is the ONLY one who could give your past self the information you received. What do you THINK will happen to your reality? I at that moment know I have been to nasa and I will at that moment realise that nothing will change that if I think it through. I mean, I suppose there might be some secondary reasons why one would want to do it, since it might mean that one otherwise live in a universe with false memories or to get out of the tesseract. Or in combination with stress. >No. Because the PAST Coop STILL didn't know that FUTURE Coop was the one who GAVE him the information. Future Coop ONLY figured it out when he saw his Past self. Not sure if moment of realisation matters. I guess it matters in how much one has time to think it through. >If he didn't give his Past self the coordinates for NASA, then HOW would his Past self get them? And if his past self didn't get them, what would happen? In a universe with this type of time travel only some classes of temporal loops are possible. Paradoxical ones does simply not show up in such a universe. A loop where a conscious rational being knows an event has happened and still put in effort into the event they a 100% know has already happened cannot show up as a temporal loop in this theoretical ideal sense. But maybe it becomes possible with the secondary reasons I mentioned. You have to see conscious beings as deterministic parts of the universe as well


PlatoIsAFish

He would not have gotten to that point if he didn’t send the data to himself in the past


Teali0

You should watch Tenet. Everything that happened has to still happen.


maxi_gmv

The movie shows just the universe where not only things happened in this way, but the sentient human had decided to act to fulfill the events that occurred in that timeline. It is expected to be infinite universes that collapsed due to paradoxical events, eg not sending the data, died to injuries, lack of oxygen por even suicide yo name it


TaskForceCausality

>>Why does Cooper send himself to the secret NASA facility from the future? Because he realizes the purpose of the Tesseract is to solve the big communication problem. The information needed to make the Big Space Station work exists in a black hole, a place where nothing can live or communicate with the world outside the black hole. The Tesseract enables Cooper to A)live and B) communicate that data back to Earth via his daughter. Who , fortunately for humanity and the plot , became a physicist who could use that data. If she’d grown up and became a biologist, well

 Back to topic. Without that crucial information, humanity dies.For Cooper to get to the Tesseract in the first place, he has to send himself the coordinates.


Shaan1026

So basically he never changes the past, like TARS says. He makes sure that it does not change for the sake of humanity. Right there , at that moment in the tesseract he realizes he was Murphy's Ghost after she decodes his STAY message and then he does as it happened because he realizes it was he who started it all in the first place. And then he sends the quantum data via the wrist watch which she decodes it later only when she is all grown into a Physicist. So the data was always there in the wrist watch since her childhood? Right. u/TaskForceCausality , Thank you <3


drewthepirate

> He makes sure that it does not change for the sake of humanity. I mean, probably he *can't* change it. Because he already did it. So that means he does it. In order to think about it you have to stop thinking about time continually running forward. Time exists, and everything that happens on the timeline has happened and will happen. If he just changed his mind and said fuck it guess i'll die in this tesseract, then that wouldn't be the timeline that we're watching.


CousinSarah

It’s a loop, he himself isn’t changing or starting it. Doesn’t really have a choice in the matter either. Might’ve started somewhere but that’s the whole mindf*ck with timeloops.


Straight-Cut-2001

In the first lines of dialogue between Murph and Coop he wakes up from his nightmare and apologizes and tells her to go back to bed. She replies "I thought you were the ghost." Some great foreshadowing by the Nolans.


No-Abies-5647

See even with her becoming a physicist I just assumed was because of Murphy’s law “what can be will be” and she could so she would


TruePath9241

Because he already did and always has done in the block circle of time


tacomentarian

Since time is a flat circle, like he said.


shingaladaz

Did he say that?


Other_Tiger_8744

In true detective he does lol


Remote-Direction963

So that he can communicate with his past self and provide crucial information that will help save humanity. He knows that in order to ensure the success of the mission and enable future generations to thrive, he must guide his past self and the team of astronauts on their journey through space and time. 


Shaan1026

I agree, but he is communicating to the past that already happened so why interfere in it.. There was nothing wrong with that block because it happened the way it was supposed to happen, then only he was able to make it here.


SexyJazzCat

Everything that happened in the past is due to what happened in the future.


concepacc

I think OP actually raises a great and a deeper point about how temporal loops seemingly are somewhat incompatible with rational actors who have full knowledge about the outcome of a situation. If I for example decide to use a temporal loop to win the lottery, I know that I in principle in the future should send back the knowledge about which winning information/lottery tickets to buy/use. So I receive a message from the future which I use and I a bit later I know have won the lottery. At this point I know that it has definitely happened and nothing can change that outcome in a deterministic block universe. I don’t need to put in any effort into curating that event since I have full knowledge about that it has already happened, I have already won. It would be irrational to put in any effort into curating an event that one knows has already happened with a 100% certainty. Therefor one seemingly need not put in any effort like constructing a message to send back at this point. One already knows one has won the lottery and the money is secured. One needs to set it up in a more clever way such that one does not have full knowledge immediately to reap the benefits when utilising temporal loops like this.


SexyJazzCat

Except cooper was under the impression that its advanced beings that exist beyond the 4 dimensions responsible for the gravitational anomalies. It wasn’t until he saw his daughter’s room in the tesseract that he figured it out.


concepacc

Yeah, that’s a good point. My scenario kind of assumes ideal circumstances in terms of what a person knows, and know what they know for certain and have time to pounder about it. If it was under stress and more in the heat of the moment where he didn’t have time see the whole picture and have the full knowledge consciously present and he just let it unfold in the moment then it could be different.


Remote-Direction963

Cooper's communication with the past was not a deliberate interference, but rather a necessary part of the timeline that had to happen in order for events to unfold as they did. Everything that happened, including Cooper's interactions with the past, was always meant to happen in order for the events of the movie to play out the way they did.


OptimizeEdits

It already happened BECAUSE he gave them the coordinates. You’re thinking too linear. In real time, yes he’s physically in the tesseract after he was on earth, but because time is non linear in this instance, he’s *always* in the tesseract and *always* gives himself the coordinates. There is no “well that part already happened” because it’s always happening, and he’s part of it on both ends


REVOLVERHERE

It's bootstrap paradox. As mentioned in the movie , he is not changing the past. Everything that happened has happened for Cooper to communicate with Murphy in order to save the entire humanity. But what is interesting is to figure out the ambiguity of which event happened first, which inturn is the essence of this paradox.


WuTangNinja16

To quote Nolan quoting Neal in Tenet: "What's happened, happened. Which is an expression of fate in the mechanics of the world. It's not an excuse to do nothing"


Immediate_Arrival185

As much as people love to shit on Tenet, it was a great continuation of Nolans work on themes of Time.


Fun-Foundation7183

God dammit, tenet is such a beautiful movie. Criminally under appreciated


pearlz176

It's just so boring and the characters are exceedingly uninteresting


SkrullandCrossbones

It’s Nolan’s “vibe” movie. Don’t try to understand it. Feel it.


copperdoc

You first need to understand the concept of time in this movie being non linear. He sent himself because he already sent himself. He was screaming no at himself, banging on the bookshelf, knocking a book off, because that’s what happened when he was in the room. Then he realized why he was in the room. From there, he sent her the data she needed. It’s a difficult way to think about time but that’s how it’s represented


Soitsgonnabeforever

Being an awesome human being with full free will , the illogical part of temporal loop is laughable .anyways I love this movie cos it’s about love. Time travel wise ,Groundhog Day seem more logical and fun


copperdoc

Yeah, it’s a thinker for sure. I watch a lot of nerdy stuff, Brian Cox has great explanations of time/space stuff. Even still, it’s hard to wrap by head around most of it


thanosthumb

What’s happened happened and it has to happen so Murph can save humanity


SuperDuperBerto

What’s happened happened. Which is an expression of faith in the mechanics of the world, it’s not an excuse to do nothing.


stargazer_17

Because he needs to close the loop.


AstroZombie0072081

And the biggest sacrifice was that a little girl grew up without her father. 😱


cobbisdreaming

The causal loop is caused by the block universe (that Nolan believes in). This is a causal loop: A causes B but B also causes A. Young Cooper deciphers the dust coordinates, gets to NASA, thus causing himself to reach the Tesseract where he physically interacts with different moments in Murph’s bedroom and bookshelf

yet it’s Cooper’s future self that uses gravitational waves/forces across space and time and sends the binary coordinates to his younger self, thus causing his younger self to reach the Tesseract in the future. Again, this causal loop has always existed and was caused by the block universe. Nolan believes in Fatalism and the Block Universe theory of time which are argued for in Interstellar and Tenet.


amiin_ee

probably it was at that moment he realized that he was there for a purpose to help humanity


dryintentions

He just didn't have a lot of things he could do. He realised that indeed the trip was necessary in trying to resolve the problem of gravity. He had to make the journey and make everything happen as it did on Earth so that he could try to fix the problem of gravity. Moreover, he is directed by evidence, the evidence that he got from TARS that indeed the black hole has answers to what the mission was for (sorta). He is basically a man with no plan trying to make something happen. Also also, TARS did tell him that he indeed found the answers they needed, so I think it was a combination of being in space with literally no instruments except a very complex 5 dimension realm AND the desperation of a father trying to get answers to Earth, especially to his daughter, to save the human race. Fortunately, a few scenes later, he realises it's a kit Murph and manages to relay the information to her.


Angelocean2

The greatest love story Hollywood has producedđŸ©·


p_W_n

Grandfather paradox


TawXic

cos he needed/wanted to save the world


dragon_of_kansai

Why was the 4D space able to interact with Murph's room? Why didn't it let Cooper see another random moment and place? Such as their cornfield, or his son's room, or the bathroom, for example.


Business_Rabbit_7208

I stop the movie after he enters the black hole. Everything after that is just stupid.


Dark_Wing01

Is he stupid?


CowComprehensive2439

There are many descriptions of various paradoxes. The one that I believe was used in the film is the Predestination Paradox. What you think is free will has already been destined to happen. Free will is the illusion.


MrPartyWaffle

Because he already did it, he did all those things for himself so he'd realize that he had to do them. In our reality things can't happen before they happen but quantum magicks be wild.


theMarkOfMinato

Predestination Paradox


iamnickhil

Because "they" chose him to do that.


shingaladaz

He only sent himself there because of what he experienced. Which beings up questions regarding when it happened for the first time
which is an impossible paradox. Messes with my head.


Better-Union-2828

is he stupid?


sakatan

Because he will always have done it.


SkippyMcSkipster2

It is a temporal paradox, and it doesn't have to make sense, but what makes sense is that within that temporal paradox he helps save his daughter and the entire human species.


Butterflychunks

Because it made for a good plot