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scaramint · 1 year

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On Chuuya’s Gravity Manipulation

So I’ve been thinking about For The Tainted Sorrow instead of studying for my physics exam bc thinking abt gravity is just so much more fun than doing math abt gravity but hear me out.

Since this is obviously a fictional show about dead authors who have nothing to do with gravitational physics, this is all unnecessary; he can kick ass bc he’s cool and we can leave it at that. BUT I'm going to dissect Chuuya’s ability and see what he does to actually manipulate gravity.

Let’s take a look at For The Tainted Sorrow through classical physics first with Newton’s Law of Gravitation. This is the theory I'm most familiar with, although I would like to someday do an analysis through the lens of General Relativity.

[picture from Kleppner and Kolenkow, Introduction to Mechanics, 3rd Edition]

Basically, the gravitational force that anything can exert on something else is proportional to its mass and varies inversely with the square of the distance, and it is always attractive (towards the force center) Now, Chuuya's ability is to manipulate gravity, so he can change what this force is.

We aren’t given much on the principles of how he changes it so let's say that the general relation remains the same.

Assuming that the general form of the force does not change, he can manipulate the force in different ways

He can change the mass of his own body or the target to increase force.

He can change the distance from his body to the target

He can change the relation from an inverse square law to something else

He can change the value of G (the gravitational constant)

Now,

Mass is a fundamental quantity (for our level of analysis) so I don't think it's practical that Chuuya can manipulate mass

We know that Chuuya's ability has a range and activates on touch so he does not have any control over the distance r

Changing the power of r does not seem to have as strong effects as Chuuya's gravity manipulation shows. Take a look at these graphs

[graphed on desmos]

We can immediately rule out Graph 3 because we know Chuuya has a range. Graphs 2 and 4 are similar enough to Graph 1 that I think there is not enough cause to take them instead of the standard inverse square law. I will have to do some calculations to understand how gravity would work in these wacky potentials, so that'll be a different post, I guess.

One problem I have with this theory is that Chuuya may appear to have a ranged ability, but as far as I know, it activates on touch (correct me if I'm wrong) so manipulating fields of gravitational potential does not seem to be his modus operandi.

He can change the value of G (the gravitational constant)

Now, this is my pet theory because it explains how Chuuya's ability affects only the objects he chooses to use his ability on instead of a general gravitational field around him.

The gravitational constant is really small in our universe and is restricted to a very narrow range. Any deviation from this will cause a lot of problems for the universe as we know it. But, since Chuuya only affects the gravity of things he touches, I don't think his ability will have any lasting effects. This manipulation of G can directly explain how he dramatically changes the magnitude of the momentum of any object he interacts with.

To see the power of this, let's take our friend g, the acceleration due to gravity.

[once again from K&K, 3rd]

g here is acceleration, so we can see that changing G even a little can dramatically change how fast things move. Chuuya's ability is best described by flashy movements and incredible speed which can be explained by the change in acceleration of the objects he touches and him using his ability on himself.

One more important thing about Chuuya's ability is that it can affect the direction that gravity is working. The minus sign in front of the force equation at the beginning of this post indicates that gravity is an attractive force i.e. it always works towards the bodies and pulls them together. Except we see Chuuya use gravity as much more than just an attractive force.

He reverses the direction of momentum of bullets in the GSS fight scene in the Fifteen arc.

He regularly walks on walls and ceilings.

He accelerates bullets away from him with his ability in his encounter with the Hunting Dogs.

It would be easy if this was the only thing he could do, as we can amend our argument to include that he can change the sign of G as well to accommodate for this repulsive action.

However, the problem is that his ability does not work only linearly. He can change the trajectories of bullets mid-flight and has a borderline telekinetic level of control of his ability. This cannot be explained with sign changes alone, and there must be something funny going on with the direction vector of the force. I don't think this can be explained with Newtonian Mechanics alone so I am going to shelf this here until I can come up with a different formulation for it.

Of course, none of this applies to Corruption. I think that has to be done exclusively through GenRel so that's a little later on the schedule.

#nakahara chuuya #bsd #bsd analysis #bsd headcanons #bsd chuuya #physics #physics chuuya #ik this is nerdy as hell but the SCIENCE #physics isnt scary yall are just mean #give chuuya a doctorate 2023 #min infodumps #bungou stray dogs

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angeltrapz · 3 years

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ALSO your takes on this lil Strahm/Adam thing we’ve been discussing?? hi???? tht dynamic makes me insane i love it sm + am very excited 2 hear more of ur thoughts 💗

I'm answering this one first bc!!!!!! It makes me insane too like I cannot stop thinking abt it. I am Trying 2 put together a fic abt it!!!

Okay so. I think that Adam and Strahm are similar in several ways, and yet not at the same time. Adam is accused of being apathetic by Jigsaw, right? But we're obviously shown that it's not exactly the case; if anything, Adam's supposed apathy is a shield to protect who he really is: someone who cares deeply, maybe more than he should; someone intensely thoughtful, someone willing to keep things from people if he knows it'll hurt them while also functioning as self-preservation (not showing the polaroid to Lawrence, hiding the fact that the trash bag contained both the hacksaws AND the pictures he took), someone who altogether simply cannot truly be defined as apathetic at his core. His projected persona, however, is a completely different story - Adam is angry, bitter, jaded. And yes, he is angry, bitter in regards to his circumstances, jaded in a way that comes from a life spent living paycheck to paycheck if he could even manage that regularly. We've seen his apartment. This dude struggles. Apathetic, no, but angry? Oh, absolutely.

Strahm is... slightly more complicated. HIS projected persona is one of cool indifference, no nonsense, someone purely analytical and maybe a bit of an asshole about it. The thing is, though, is that deep down, Strahm also cares deeply - just look at how he reacted to Perez being injured + having to call her mom, when he destroyed that office room - it's just harder to get out of him. His projected persona hides someone whose emotions run just as hotly and strongly; his are just more well-hidden. He is impulsive, intelligent, result-seeking. Strahm doesn't seem like someone who allows himself to just feel things very often, and when he does, the blowout can be a fucking mess (for example, showing up to the packing plant BY HIMSELF, operating on adrenaline and rage alone).

I think, other than Perez perhaps, Adam just may be the first person to understand Strahm in a way that no one else has even attempted. Adam might be the first person who manages to see past that indifference, who embraces the writhing emotions underneath it because he gets it. And Adam is absolutely one of the very first people to look at Hoffman the way he and Perez did - after all, Adam is present in Strahm's hospital room when Hoffman pays him a visit and tells him to back the fuck off, and after the man leaves, the first thing he says to Strahm is "It's him, isn't it?"

Because he sees it too. He'd been in Hoffman's presence for all of around five minutes and he'd seen it too.

And just how world-shattering can that simple revelation be? For the first time, Strahm has someone other than Perez on his side. She's gone, there's nothing he can do to bring her back, but here is someone else who sees what he sees, feels what he feels, in a strange echo of the test that brought Strahm and Perez into this whole fucking mess. Here is someone who has no reason to agree with him, no prior pressure put upon him and someone who Strahm feels wouldn't simply agree with him on that basis anyway (as you've touched on before), and yet Adam sees it too.

I feel like, in the tensely energized space the two of them share in that room after Hoffman leaves, that is one of the very first times Strahm feels seen. He doesn't feel the need to keep his shields up, and it's liberating, in a way. He feels like he can breathe around Adam. For reasons even he isn't entirely sure of, Strahm feels safe here. He can be himself, even if that self is angry, bitter, jaded. Who better to understand that than Adam Faulkner-Stanheight?

It's a feeling that only increases after they're discharged from the hospital. There's no real reason for the two of them to stay together, no obligations (except the fact that Strahm saved Adam's life, but Strahm doesn't hold that over him & Adam doesn't stick around purely because of it), and yet they do. It's two weeks after they're sent home that Adam shows up at Strahm's apartment, shaking softly and looking so fucking miserable that Strahm couldn't even dream of turning him away - after all, he gave him the address. An unspoken agreement, an offering of companionship.

Adam has been thinking. He and Strahm, they're tied together in more than one way, aren't they? Not just their shields and safeguards, not just the similarities in their true, deep-down emotions, not even having been targeted by Jigsaw and surviving things they shouldn't have - they've both lost people. Strahm is never getting Perez back, and Adam? Adam bonded with a man in that bathroom who shot him and told him he'd come back, but never did. He never looked back. His other potential saviour, Amanda Young? Her idea of rescue was a plastic bag over his head, but even she couldn't commit to the idea. She left him there, too. He's not getting Lawrence back, he knows that. Jigsaw took something, someone, from both of them. So, he proposes, what if we did something about it?

(Strahm still thinks about when they first met, when Adam told him he loved him. He can't help it, of course he thinks about it; knowing Adam was delirious with blood loss and a dizzying combo of dehydration and starvation and infection didn't cut into the feeling the earnest declaration gave him, even if it should've. Adam stuck around when he didn't have to. He wants him here.)

They've lost everything. Adam, his peace of mind, the uncertain semi-stability of his life, functionality in his arm, one of the first people he'd made a genuine connection with. Strahm, his best friend, his colleagues' trust, the safety that came with observing the case from a distance. They have nothing and yet they have each other. They both want Jigsaw to pay for what he's done to them and the people they care about, and the innocent people they never even knew. Why shouldn't they?

Like you said, I don't think they get in the coffin. I agree with you and I think that Adam is the catalyst there, the one voice of reason that drags Strahm away from certain death before he even has the chance to get ensnared permanently in Hoffman's web. They don't even listen to the tape. They just hightail it. And it's outside of that building, chests heaving and hands shaking, that it all kind of sets in for Strahm: he could've died. Hoffman could have killed him like he wanted and he would've walked right into it had he been alone. Adam, completely unconscious of the gravity of Strahm's revelation, had turned around and saved his life, repaid a favour he didn't really owe but wanted to fulfill.

And again, like you said, it's not really a favour, is it? Not when instead of laughing in an expelling of nervous energy Adam leans up and drags Strahm down by the lapels of his jacket and kisses him hard, grip white-knuckled and short breaths huffed through his nose. No, there is the same kind of reverence to be found in the way that Adam cradles his face in his trembling hands and breathes out "You're alive," as the kind that could be heard in that first I love you. There's nothing else that Adam has to say for Strahm to understand. He just pulls him close because he needs this, too. He has spent so long living his life as someone who doesn't need tenderness, doesn't need people to care about him, feels safer in isolation than anything else, and now he doesn't feel the need anymore. He is changed, in this way, but Adam accepts it readily, and though Strahm can't say it back when Adam finally slumps against him and breathes out "I love you" against his shoulder, no fever or delirium to compromise the meaning, he feels it all the same.

They understand each other, hold each other. They have work to do, and lots of it - Hoffman's going to be rampaging in a blaze of enraged glory soon enough, knowing that Strahm (and, by extension, Adam) got away, and they're going to need a plan - but right now, they can breathe. Right now, all either of them needs is knowing the other is alive, that they'd made it through something that for all intents and purposes was meant to kill them. Strahm can't just walk away. Adam knows this; he doesn't think he can, either. Two people who are more similar than they could've ever dreamed, brought together in one of the worst ways imaginable and yet in a way that has served as a lifesaver - not Jigsaw, fuck that. They want to live. For themselves, for each other, for everyone who didn't make it out. For the people they can't get back.

It's a kind of understanding that's entirely foreign to both of them, but as they hole up in Strahm's apartment after, huddled close on the couch because neither of them can sleep and they're trembling for reasons other than just the caffeine buzz of coffee, it's one that they can learn to adapt to. They can do this. They're going to save lives. They're going to do this hand-in-hand. They have each other's backs, without the shadow of a doubt.

And, really, is that not love?

#strahm #adam #asks #THANK UUU god this dynamic makes me lose it!!!#I am so so glad I'm not the only one thinking abt them the concept of these 2 together has been in my head for so long!!#I hope this was. coherent lmao I ramble a lot #long post

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dastardlydandelion · 3 years

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i’ve seen quite a bit of meta floating around abt sam’s situation vs tory’s and how that enhances their rivalry but i’ve seen v little abt how how fighting itself means different things to them and how i personally think that rly shows itself in the school brawl so i’m going to babble on abt that for a min.

so to recap what most ppl already pinned down: tory and sam’s beef isn’t just about miguel. far from. tbvh i’d ever argue it’s mostly *not* about miguel but he factors into the situation so strongly bc miguel is the *one* thing tory had that (at the time) sam didn’t. it isn’t just abt him, it’s abt what he represents. it’s abt sam seemingly (re)staking her claim to one of the only good things in tory’s life. from tory’s perspective she has very little in contrast to sam. sam lives in wealthy encino, has her own car, a membership at a country club, and participates in karate bc she’s a legacy child and to do so is at her leisure. her dad has his own personal dojo she can practice in whenever she wants and oh yeah, her lessons are free bc her dad is her sensei. sam who could easily afford karate lessons doesn’t even have to, her dad actually jumps at the chance to give them to her.

tory has to work for everything that’s hers and then some, supporting a mother with frail health and taking care of her bby brother. tory’s life is more precarious and vulnerable than sam’s bc of her financial and living situation, and frankly, she needs self-defense skills more than sam does. remember when she’s at the store with aisha and describes to her how some perv tried to grab her, a move she then blocked? how she stabbed him in the face with her duster/bracelet??

i feel like the gravity of that is lost on most ppl bc in context, tory’s almost bragging abt it and showing off a lil bit. and why wouldn’t she?? she thinks aisha is a badass, she saw her breaking boards blindfolded!!! she thinks aisha is cool and she wants aisha to think she’s cool too, so she’s telling her smth abt herself that she correctly feels aisha would admire. but context aside, it’s v scary and sad that tory was in a situation where she had to do that.

tory had kickboxing training even before she joined cobra kai. going off some of her dialogue to miguel, abt how some ppl in this world have to fight for everything they have, i’m going to assume her safety applies here. given that her financial situation is so precarious, i don’t think tory would’ve taken kickboxing classes unless she felt like she had to. like— don’t get me wrong, tory clearly enjoys fighting. it’s prolly a good way to relieve all the stress she’s under, having head of household responsibilities at 16/17. but we see in s3 when her mom can’t rly work anymore and therefore she has to work even more herself, tory leaves the dojo specifically bc she can’t afford lessons. so that leads me to believe that even if tory enjoys fighting, she wouldn’t spend money on it unless doing so was of necessity to her.

tory does not live in a world of stability. her mother’s health is precarious and unstable. her financial situation is precarious and unstable. even working two jobs she didn’t have enough to cover rent. it was so, so heartbreaking but u could see it in her eyes that she was considering the landlord’s offer. she was considering sleeping with some gross ass adult man who berated and belittled her just to have the stability of a home. imho she would’ve done it if kreese didn’t handle the situation (and he definitely didn’t do so for selfless reasons, but that’s another matter entirely so i’m not gonna go into that).

sam, on the other hand, doesn’t just have stability, she has luxury. again, the big house, her own car, wealthy, supportive, healthy parents who have the time and the means to be there for her and provide her with whatever she wants, let alone needs. fighting is v different for sam. from sam’s perspective, karate is meditation. karate is a way to find balance, to center yourself and spiritually connect with your body. karate is recreation and sport, tournaments where rules ensure everyone’s safety at the end of the day and fighting with honor scores u points while fighting with dishonor gets u disqualified. where fighting with honor is “fair” and fighting without honor is “dirty.”

now, i know sam *theoretically* understands karate from the self-defense perspective too. bc she’s heard daniel’s stories. bc she used it against kyler when he made her uncomfortable. bc she and robby got into it at the mall to come to demetri’s defense, thereby actively protecting another person. but sam does not have daniel’s lived experiences of struggling with poverty or being put into harm’s way as gravely as daniel was in his youth (at least not until the school brawl, i’m getting there). sam never had to stab a pervert in the face bc he predated upon her and grabbed her. sam did face bullying, yes, but as hurtful as being slut-shamed on the internet is, her safety was not threatened in that situation the way tory’s safety has been threatened, nor the way her father’s safety was threatened in his youth.

i definitely think the context of their situations influences how each thinks of fighting. tory intimately understands fighting for survival in a way sam does not, in a way sam simply cannot relate to. tory doesn’t adhere to the rules the way sam does bc rules have never done shit for her. actually, the rules themselves keep her down, her mother got fired from her job at the restaurant precisely bc she was bringing home leftovers to feed her hungry children. tory has no reason to distinguish between dishonorable fighting and honorable fighting bc at the end of the day, fighting is a necessity for tory in a way that it is not a necessity for sam. tory doesn’t fight to win points or to meditate, or to spiritually connect with her body. tory fights for self-preservation.

from sam’s perspective, tory fights “dirty.” from tory’s perspective, sam lives in a fantasy world where there’s some kind of manufactured distinction between fighting “fair” and “dirty” only for those who have the security and luxury to made that very distinction. to tory, fighting is fighting and that’s that. to sam, fighting is a discipline, an art, a tradition, and is meant to be practiced with a level of etiquette shown to your opponent. bc that’s what tory is to sam, an opponent. but sam isn’t an opponent to tory— she’s an enemy. these are not the same things.

i think the way tory and sam understand fighting really rears its head in the school brawl. tory’s had it with sam, she’s had beef with her since the moment sam accused her of stealing and it reaches its tipping point during the party bc first, sam beats her in the drinking competition, embarrassing her in front of everyone, and then she goes and kisses miguel. who isn’t just tory’s bf, but one of the only good things in her life at that moment.

on top of that, like, okay, tory is v aware miguel used to date sam. so when she’s dating miguel herself, i think she does take a kind of satisfaction in that, in knowing she’s “taken” miguel from the pretty, privileged princess who has everything else, pretty privileged princess who once accused her of stealing and would then go on to mock and ridicule her. i think it increases the sting for tory when sam follows up beating her in the contest with kissing miguel not just bc she’s hurt, but bc it’s an added slap in the face that sam “reclaimed” this one good thing tory thought she’d managed to “take” from her.

come the school brawl and sam is aware tory’s angry. tory announces on the damn loud speaker she’s coming for her, prolly to embarrass her in front of everyone the way sam embarrassed her the night before. fight ensues and they’re matching each other p well, i’d say tory mostly retains the upper hand bc she had the element of offense on her side while sam’s blows were primarily defensive…it’s slightly in tory’s favor but rly could go either way until the point where tory breaks out the spiked knuckle duster/bracelet.

if u look at sam’s face after tory puts it on, like…she’s shocked. she’s frightened. she was not anticipating that at all. tory on the other hand, has a mocking expression and from her tone, i kind of think she’s reveling in sam’s reaction. bc tory knows full well sam has never had to fight the way she has. sam’s never actually had her safety compromised so it’s like. utterly incomprehensible to her the moment it happens.

tory is the first person who has ever actually threatened sam’s safety and tory knows that, and she relishes it. from tory’s perspective, sam is just as foolish as she is pampered, and she gets to be the one to snatch sam’s sense of security away from her the moment she introduces a weapon to the situation and shows sam; ‘no, this isn’t just a karate match. i actually want to hurt you, and i am going to use whatever i have to do that.’

and…i think she was just trying to hurt sam, personally. ik a lot of the ck fandom thinks tory wanted to kill sam. and i actually think sam herself thinks tory wanted to kill her bc of the visceral reaction she has to tory afterwards. sam has ptsd after the school brawl and it’s not just bc of tory, it’s clearly also bc of what happened to miguel. what robby did to miguel out of anger, anger not created by— but definitely inflamed by —the fact miguel and sam shared a smooch. but sam also has nightmares of tory trying to kill her and it’s tory’s voice that makes her freeze up during the fight at the laser tag place.

i think sam also inevitably associates tory with what happened to miguel, bc while robby, not tory kicked him over the railing, it was tory who started the brawl. and miguel went upstairs specifically bc he was trying to get tory off of sam. he followed them up there bc he was tryna calm tory down. so i think that’s also why sam is so shook by tory after, that inevitable association with miguel’s fall/coma. but i defo think bc tory was the first person who ever actually threatened sam’s safety for real, sam felt like tory was going to kill her. and to be fair, when tory gets sam on the floor and yanks her hair back, it appears that she’s doing so specifically to expose her face/throat area as she pulls her opposite arm back to stab.

sooo with that i 100% understand why so much of the ck fandom and sam herself would think tory was tryna kill her, but i personally don’t think that. i think she was trying to scar her face. i think tory might have specifically been aiming for the mouth bc she wanted to punish sam for the kiss. stabbing/slicing her mouth would be targeting a place on sam specifically associated with the incident that pushed tory’s anger over the edge.

i also think it’s entirely probable tory was just unleashing all of her built up stress on sam during that fight. tory was more aggressive not just bc she’s the one more pissed off but bc her nerves are fucking fried. she throws all of her negative emotions in the brawl and she has infinitely more of those than sam, created by her precarious and fraught living situation wherein she’s had to endure much more hardship than sam and she’s constantly on her guard, fully aware of how fragile any semblance of stability she manages to carve out for herself/her family is. while sam, on the other hand, gets to live in what must appear to tory as this soft, fuzzy fantasy world where mom and dad take care of all the important stuff and sam doesn’t have to worry abt a thing.

i maintain that i don’t believe tory was tryna kill sam, but i do believe she rly wanted to hurt her. and she did…sam is hospitalized after the fight. tory goes back to cobra kai to train for the next one. bc that’s what tory’s life is, one fight after the next. she doesn’t have the luxury of treating karate as a means for meditation or recreation like sam does. and i truly think that impacts that dynamic more than often given credit for.

#reference #not gonna put this in the main tag #bc ck fandom hates tory and i don't need anymore crawling up my ass abt being the weirdo who posted the nunchaku noncon #or the weirdo who keeps clogging the ao3 tag with bizarre crack planet prison au #i am too annoyed to deal with the stupid tory is a sociopath arguments #no she's not u asshat she's a v stressed out teenage girl with too much on her plate and she overreacted #ofc i think she went overboard actually tryna stab sam #actually slicing into sam's arm so deep she needed stitches #but like miguel says tory needs help and their rivalry is deepened by sam's utter inability to understand her #sam is errything she wants and can't have and sam unknowingly throws this in her face all the time #and sam's obliviousness makes her resent her privilege even more #bc living the way she does tory cannot afford the same obliviousness nor can she afford to treat fighting like a game reserved for the ring #the same rules that make sam's life cushy are the ones that restrict tory and keep her down #my meta

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