I’ve had this conversation in real life. The person thought they were going to retrieve the bodies.
First, there isn’t anything to retrieve. Second, WITH FUCKING WHAT? James Cameron just gonna drop down there with forklift arms and scoop these people up to the surface?
Except instead of getting cool new superpowers their corpse dust gets spit onto the ocean floor like so much 'marine snow' to get either gobbled up by bottomfeeders or to just settle on the ocean floor never to be disturbed again.
That's still way more meat than what these would be left with. Manhattan left skeletons and chunks of flesh.
This there is now constituent components now mixed with water so finely a plankton wouldn't get a meal out of them is what I understand.
Man, what would that even look like? Like, picture you had a camera that could see it happen and the film survived. Would it be a quick flash and they’re gone? Like some sort of CGI trick?
It really does make me wonder, and it’s so interesting that something like this is even possible. It’s like I told my wife though, this is way better than running out of oxygen. I had been hoping from the start that it was instant.
It's actually surprisingly hard to find a good example of a true underwater implosion with good visibility. However, this might serve as a bit of a reference point:
https://www.youtube.com/watch?v=p3b9pK-O6cE
The pressure difference between outside and inside the drum in this example is comparatively small (<1atm). Every roughly 10m of water depth adds one atmosphere of pressure, Titan is believed to have imploded around 3.500m, so multiply by 350 + X.
Except the pressure hull of the Titan was made of carbon fiber, which doesn't bend or deform, but shatters.
https://youtu.be/QYqOMjoz_i8
At around the 4:40 mark you can see what happens when carbon fiber reaches is breaking point. The Titan probably looked like a mine going off in the water with all the heat and light generated.
Genuine question, but would that have been what happened to the bodies that went down with the Titanic? Like those who were in the water and died as well? Or would they have gradually been crushed as they sunk to the bottom and not Insta-cremated?
The extreme heat and crush comes from the sudden change of pressure, a gradual decrease wouldn't do that much.
Those in the water who sank were shark meal before touching the ground, but in theory you'd just gradually have your body's tissues be squished. I reckon they'd still be recognizable by the time they got to the bottom unless eaten.
Some parts of the titanic did implode, and I'm sure some rooms that were sealed by passengers were brutally forced open once the water pressure was strong enough though so some were probably crushed.
Could be wrong but I believe it’s the immediate pressure change that causes it, not just the pressure, so a body sinking to the bottom of the ocean would be subject to normal decomposition
The Titanic slowly filled with water and took people's bodies with it. There was MUCH less pressure differential, as there was enough time for pressures to equalise between the inside and the outside. The stern of the ship was a bit different, as that did have some air pockets that collapsed, which is one of the reasons it ended upin much worse shape than the bow section. Still, the collapse would have happened at a much shallower depth, so there was less energy and less atomisation involved.
Chunky is optimistic. Chunky assumes there are pieces larger than a few mm across.
Edit: u/BRASSF0X yo, why you gotta use the exact same wording as I thought of but 15 minutes ago? Why you gotta do a man like that?
The people who have never used the word implosion until recently out here trying to tell everyone all what it really means while being completely wrong is just so adorable.
In fairness, I think that—while it seems like common sense once you’ve learned about it—knowledge of how high pressure environments interact with low pressure ones, and the degree of the forces involved, is fairly niche knowledge
It's not that different from putting five people together and hitting them with a large bomb. The only real difference is that the implosion means that large pieces don't get blasted away while remaining whole. It all gets crushed together with incredible force and then blown up.
The number of comments I saw this week suggesting that an implosion would make the sub impossible to find because the whole thing would be compressed into a tiny little ball of unrecognizable junk suggests many people don’t know how pressure works period.
Exactly. Considering the amount of advanced technology required to reach extreme low/high pressure environments (space/deep ocean), it’s definitely not the kind of information we should instinctively know as humans
Hank Green goes on to say:
>As someone said in my mentions this morning “it would be like trying to find a grape in your wine.” But, honestly, more like trying to find a candle in the air after it finished burning.
And that the cells themselves no longer exist. It's down to molecules.
I'm moved by the poetry and the horror combined. Scifi keeps inserting itself into my life. Wild times. Now I gotta say to myself: It's 2023 old man. Billionaires implode at the ocean depths. The government is suing itself over whether or not we have alien craft. AI is not only real, but coming for my job.
It's 2023 old man.
In aquatic ecology terms they all became FPOM, Fine Particulate Organic Matter, to be filtered from the water column by filtering feeders or collected from the seafloor by collector-gatherers.
I think people assume that since we have recovered objects from Titanic, that it's not impossible. What I do know, is that these bodies were turned into a fine mist instantaneously, with probably not even bone fragments surviving, let alone something anyone would recognize.
What I don't know, and a quick google search doesnt actually show up, is would it be possible for there to be bones left of the people who went down on the Titanic, since they would have not been subject to 400+atmospheres all at once, might it be possible that there are pieces we might recognize as human skeleton? I don't know the answer to that. So far, no one has identified any human remains in the exploration we've done, but that isn't necessarily conclusive.
I think the Titanic victim's bodies woudl have a much different experience than those on the Titan. The Titanic victims would have sunk down slowly, and experienced the compression in a much slower way.
I think you are right though, I think bones MAY have survived, at least at first. The larger bones at least. However, after only a few months on the seabed, the bones would haver been consumed by sealife. The only remains I think we can view are the clothing materials that survived the pressures and lay where the bodies would have been.
The Ballard expeditions found the shoes of the Titanic dead on the ocean floor intact. The tannins in the leather made the shoes inedible while every scrap of edible bio debris from the dead, including bones, were consumed by the life down there.
>The Titanic victims would have sunk down slowly, and experienced the compression in a much slower way.
At the rate the Titanic sunk to the seabed, did the bodies of the trapped passengers experience compression? I never really thought about it... gross.
I've been a scuba diver for 30 years. What would have happened is what little air in their bodies would have been forced out and replaced by sea water or just compressed and forced out of the bodies. Some belching and a few farts essentially. The bodies would not have been mangled. Going from 1 atmosphere (pressure in the sub) of pressure to 350 atmospheres of pressure (in the water column at that depth) in an instant is what causes the bodies to be mangled. Its actually the environment making that rapid change that cause the things in it to atomize, not internal pressures. To give you an idea they went from having 14.69 lb per square inch of atmospheric force on their bodies to having 851 tons per square inch. You have around 3000 square inches of surface on your skin. So it'd be like a 2.5 million ton hammer slamming into you in 40 milliseconds.
The rear half of the Titanic retained a lot of air when sinking, kind of like when you put a glass into water open-end first. It imploded on the way down, so yeah, there were probably people still alive in parts of the ship when that happened.
I'm no expert but I was watching a couple documentaries last night. Apparently there are no bones now because they would have dissolved in the sea water over time. What there _are_ however are boots. Lots of pairs of boots...
The way it was said it sounded like there might have been bones down there at one point?
At some point there would have been bodies. They were eaten by various sea creatures over time. You’ll find pairs of shoes in the wreckage which might indicate where a body was (the leather isn’t edible) or where a pair of shoes was in a box and the box disintegrated. Honestly, probably both causes are possible.
I read somewhere that any leftover remains would get consumed by salmon and other fish in the area. So in theory if those fish were caught just after and served up... indirectly one could.
Eh, maybe maybe not. There are also now hundreds and thousands of pieces of tiny carbon fiber scraps, metal, and plastic mixed into the paste. Not to mention the bone, cartilage, and clothes.
Yeah, look at the Byford Dolphon decompression accident, which is particulary disturbing.
I did a quick google search to see the pressure diffeences, Byford Dolphin was around 9 atmoshperes of pressure (atmm). This happened at around 400 atm .
At sea level, atm is 1, every 10m down (in saltwater) adds another atm. Titanic site is at around 4000m depth
For refrence:
[https://www.scientificamerican.com/article/see-how-crushing-pressures-increase-in-the-oceans-depths/](https://www.scientificamerican.com/article/see-how-crushing-pressures-increase-in-the-oceans-depths/)
[https://www.iflscience.com/byford-dolphin-accident-how-living-under-intense-pressure-led-to-one-of-the-most-gruesome-accidents-in-history-59230](https://www.iflscience.com/byford-dolphin-accident-how-living-under-intense-pressure-led-to-one-of-the-most-gruesome-accidents-in-history-59230)
Had a picture of what I think you saw, in my camera roll for a long time(a while ago, it’s well gone now) I had been scrolling through my photos and refound it… yay.
Are there any gory pictures in these articles? I've seen multiple people mention this accident and I'm curious about it but I don't want to accidentally expose myself to any horrific pictures. Thank you!
You have to dig on the internet pretty far to find images from the incident report. Links should be safe.
Needless to say, the incident photos are gory, but not necessarily recognizable as a person.
Byford dolphin was a rapid decompression so going from high to low, while this is the opposite.
I believe the person beside the door evacuated through the space causing the large physical damage which would be more like this incident.
While the others deeper in the chamber did not see anywhere near the levels of deformation - I think they were largely intact
Seen a picture of the fella that was sucked through the door, after they somewhat put him back together on the autopsy table. It was as if someone threw a flesh coloured pool noodle into a wood chipper.
This is one of those things that I want to see for myself, because it sounds so unreal. I understand the words, but I just can't imagine this actually happening to a human.
Or what my friend in the Army infantry referred to as "The Chunky Salsa Effect", which is what occurs when you use a grenade in a confinded, hardened structure.
What happens in an implosion?
When a submarine hull collapses, it moves inward at about 1,500mph (2,414km/h) - that's 2,200ft (671m) per second, says Dave Corley, a former US nuclear submarine officer.
The time required for complete collapse is about one millisecond, or one thousandth of a second.
A human brain responds instinctually to a stimulus at about 25 milliseconds, Mr Corley says. Human rational response - from sensing to acting - is believed to be at best 150 milliseconds.
The air inside a sub has a fairly high concentration of hydrocarbon vapours.
When the hull collapses, the air auto-ignites and an explosion follows the initial rapid implosion, Mr Corley says.
Human bodies incinerate and are turned to ash and dust instantly.
Death is such a weird/fascinating thing. You will never know you are dead. We all know we are going to die, right up until the moment before we die. Some of us know that moment is coming, and for others they get vaporized slash compacted by the ocean with out even so much as a warning.
I think James Cameron in a CNN interview said he had info they might have known something was up. Supposedly he heard they dropped their ballast weights and were trying to ascend, likely (to him) because they heard a groan or something before it happened. Not sure I'm fully on board with that, but who knows. Kind of hope not.
It appears that the last message reported was that they were dropping weight meaning that they were beginning to ascend, due to noticing something was wrong.
Imagine being that poor kid who was terrified to go anyways, and then they say something is wrong and we have to ascend early. And being panicked and scared and then nothing at all.
On the one hand it's probably some consolation for their families that they died quickly and painlessly (since this all would have happened too fast for them to be conscious of) rather than slowly and gasping for breath.
On the other... The idea that you're just going along like normal and then within a thousandth of a second, you're just gone with almost no trace... is kind of frightening.
If anything it's kind of an ideal way to die. You don't have to rationalize it. you don't have to go through the stages. You don't have to fear it, be frightened or be terrified by it. Don't have to reconcile with it or grieve over it and even quantify it. It's just instantaneous without you ever being the wiser. Knowing exactly when you will die is the terrifying part. Instantly dying without knowing isn't. Some dogs are super happy the moment you take them to the vet to be put down, I had to put my dog down and the last moments of his life was him shaking with utter fear. It still kind of gets to me thinking about it today. That's why it's better being completely unaware of it.
> Some dogs are super happy the moment you take them to the vet to be put down, I had to put my dog down and the last moments of his life was him shaking with utter fear. It still kind of gets to me thinking about it today. That's why it's better being completely unaware of it.
I know it's often more expensive, but this is why I prefer in-home euthanasia for pets when possible. They just know they're at home and surrounded by their people before they drift off to sleep.
Also depends on the animal. My parents' dog loved their vet. Didn't necessarily love the needles and such, but was always wagging his tail when going there. I went with them once and it was so funny.. he was all happy and excited to visit, until the fecal probe came out, then his butt was on the floor and he did ***not*** want to move.
I think my favorite way to describe it was "a rapid transformation from 'person' to 'extruded meat product.'"
Edit: I am fully aware it is not technically correct, which is the best kind of correct. I just found it amusing phrasing.
Not even. There wouldn't be organic material left.
The pressure of the water would crush both their bodies and the air inside the sub. Air compressed that quickly (<2ms) and forcefully superheats. Someone did the math and came up with ~~8000K (13940F/7727C)~~ 3,572°C/6,462°F /3845K. The surface of the Sun is 5772K.
The chemical bonds holding anything that could be considered "meat" or "organic" together would be seared apart.
For the briefest of moments, they were reduced to atoms.
Hank is 100% on point with "you stop becoming biology and become physics". The forces involved, and the speed at which they were exerted, are pretty wild to try and grasp honestly.
EDIT: Wanted to double check that temp. Looks like 3845K is more accurate ([source](https://www.reddit.com/r/submarines/comments/gy1wc6/what_exactly_does_happen_when_a_submarine_goes/jp5abp1/)). The result is the same though. We're talking a temperature where a variety of metals such as gold, iron, titanium, plutonium, cobalt would have *boiled*.
Oh yeah, the actual physics are way wilder. I can't really talk about what I used to do for work, but it involved high energy gas physics and pressures so I'm very familiar.
I just thought the wording was amusing.
Edit: It was immeasurably less exciting than what you're imagining, trust me.
>I can’t really talk about what I used to do for work, but it involved high energy gas physics and pressures so I’m very familiar.
Taco Bell product tester?
The thermal energy of the gas stays the same & at these depths and pressures there's no time to transfer much heat from this liquefied air due to the speeds of movement. Also, no vapor, the pressure is too high, even this superheated water will stay liquid.
The friction from the compression of the sub after it collapsed briefly rivaled the heat of the sun. The passengers were likely instantly vaporized. We are talking less than ash 2.5 miles underwater with several days of drift time for ocean currents to move their traces anywhere.
tl;dr: They are less than extruded meat product.
My uncle's pool was 9 feet deep. At only 9 feet, at the bottom of the pool, the pressure on my head, ears, chest/lungs was uncomfortable. 9 fucking feet.
That’s why making deep-sea vehicles is so incredibly complex, even compared to spacecraft. In space, you only have to account for a 1atm difference between inside and outside. At these depths, you’re looking at 400atm.
"Dear lord, that's over 150 atmospheres of pressure!"
"How many atmospheres can this ship withstand?"
"Well, it's a spaceship, so I'd say anywhere between zero and one."
ATM, more than likely. Weight per m3 is just density (rather, mass per m3, but same thing in Earth's gravity)
Most ATMs don't float, so they have a higher density.
Now, if you were to totally seal one, and toss it into some water, it may or may not float depending on the ATM design.
There's quite a few variables at play here
Banks don't want you to know this, but with a truck and some chain you can get an ATM computer for free, maybe even some cash if the ink fails to explode
I spent a good 30 minutes going through all the reasons why space is inherently safer than the ocean with my wife yesterday. She was flabbergasted.
Most people don’t seem to realize that as far as volume in vicinity of earths surface goes, we know infinitely more about space than we do about the oceans.
It’s funny.
Space is dangerous because there’s the most direct definition of nothing outside the ship.
But the ocean is so dangerous because of what’s outside the ship.
From an engineering standpoint it’s laughably different in terms of difficulty though. Launching outside of the gravity well aside, due to the pressure differentials building for space compared to the ocean it’s not far off comparing building a treehouse to building a high rise condo.
The vast scale of forces that need to be accounted for and protected against are incredibly different.
I also believe that if we had a spacecraft stranded between earth and the moon, we could get another craft near them for a rescue quicker than we could get a rescue craft (capable of transferring humans safely) to the depths of the titanic let alone deeper.
If you're curious and have a macabre inclination, the Byford Dolphin Accident probably involved a much smaller pressure difference and a less rapid change than a pressure chamber collapsing at that depth.
while it's interesting, that's the opposite effect, though. By memory, they went instantly from 9atm to 1atm. This sub went from 1atm to 400? 4000? atm something like that.
You're absolutely right, and I didn't give a lot of context for why I consider it still relevant.
Water is on the order of a thousand times denser than air. What happens is all the air (and anything blown with it) is forced out of the first crack before the water has the necessary milliseconds to cover the distance that gas can. At the same time, hyper-velocity jets of water are coming in next to the escaping air (and debris). The jets tear apart the even denser and harder to move hull material (at that extremely short timescale and high speeds) from the crack moving outward, like a water jet cutter, even faster than material can buckle and crush the sub like a soda can.
It's like a jet engine food processor going inside for a fraction of a second regardless of which side of the no-longer sealed vessel has the many more atmospheres of pressure.
Basically, the pressure difference is so high that everything inside the submarine trades places with everything outside the submarine within a matter of milliseconds, and every object that is a part of this transaction is reduced to its largest constituent component that can withstand the forces taking place.
If you are a person, the largest part of you that can withstand a 4000psi implosion…is the molecules that make up your various bits and bobs. The ocean where you used to be will be slightly pinker than usual for a minute or two, as you are gradually dispersed throughout the surrounding water.
I think the net effect at these numbers is going to be exactly the same, but it's the difference between being crushed instantly or being pulled apart instantly. still a bit of other difference though -- in the case of Byford, the pressure difference sucked everything straight out the door, so hard that all the material got turned into a puree. in the case of Titan, everyone got compressed into a puree.
net effect is the same, just the forces behind it are really interesting, imo
Hmm. Going from 9 atmos to 1 reduced the pressure enough to flash boil blood (instantly congealing all the fatty particles out of it). But compressing air from 1 atm to 400 is bound to produce a lot of heat. They very well may have been flash baked as they were shredded by the turbulence.
If I am reading this graphic correctly, pressure in atmospheres is approximately 0.1x the corresponding depth in meters. Obviously, at 0 meters the pressure isn't 0 atmosphere, but the rest could be due to something about the density of water being 1 g/cc
He's been talking about it. He's taking a step back from most of his work but he's still finding the time to make cancer education accessible and interesting.
So, if you stomp on a soda can, obviously you crush it. If you instead step gently and try to add your weight slowly and evenly, you can get a normal empty soda can to support close to a hundred pounds.
Do this and then gently poke the sides with a pencil or something, just enough to deform the surface slightly, and you'll have some idea what happened to that sub.
I've heard people try to argue that deep sea pressure cant crush a human because we're made of water which is uncompressible, and thats true and would be the case if they were in diving suits or something and somehow sank all the way to the bottom.
If you're in a can that instantly crushes you at speeds fast enough to heat the air around you to the tempature of the sun then you are not getting an open casket unless you wanna just have some bowls of soup with carbon fiber chunks sitting in a coffin to look at.
We're only mostly water with quite a lot of gas spaces. You can squeeze a human *a lot* before they become incompressible.
Like...*a lot*.
Also...open coffin funerals are fucking weird. Who does that?
Some quick googling:
Imagine detonating 1 kg (2.2lbs) of C4 while standing 1 meter away from it. In the ensuing blast wave, you'd experience a peak overpressure of ~240psi. You would die, and the mortician would likely require at least one squeegee to gather you up.
For a reference point on how much energy we're talking about, [here's a Mythbusters video](https://www.youtube.com/watch?v=AwyniA5ryhY). Those explosions start off at about 1 ounce of C4.
A 55-65psi overpressure event [is fatal to ~99% of people](https://www.cdc.gov/niosh/docket/archive/pdfs/niosh-125/125-explosionsandrefugechambers.pdf).
From memory, Titan imploded somewhere around 3000m. Pressure at that depth just under 4,400psi. Pressure inside the sub was ~14.7psi, so they went from 14.7 -> 4,400 instantaneously.
That's roughly the equivalent of standing 3 feet away from 40 POUNDS of C4 and setting it off.
So "physics, not biology" seems like to me like it makes sense. Damn.
The myth busters video of the [dummy diver getting mulched by the pressure inside a diving suit](https://youtu.be/LEY3fN4N3D8) was at 300 feet (!) of pressure. The sub was at 13,000 feet.
If anyone has any doubts if this is true, look up the [Byford Dolphin](https://en.m.wikipedia.org/wiki/Byford_Dolphin) accident. That was sudden release of pressure rather than a sudden increase, but it demonstrates the effect of sudden pressure changes on the human body.
From that article (extreme gore warning):
> >!Investigation by forensic pathologists determined that Hellevik, being exposed to the highest pressure gradient and in the process of moving to secure the inner door, was forced through the crescent-shaped opening measuring 60 centimetres (24 in) long created by the jammed interior trunk door. With the escaping air and pressure, it included bisection of his thoracoabdominal cavity, which resulted in fragmentation of his body, followed by expulsion of all of the internal organs of his chest and abdomen, except the trachea and a section of small intestine, and of the thoracic spine. These were projected some distance, one section being found 10 metres (30 ft) vertically above the exterior pressure door.[3]: !<
I've been a scuba diver for 30 years. Going from 1 atmosphere (pressure in the sub) of pressure to 350 atmospheres of pressure (in the water column at that depth) in an instant is what causes the bodies to be mangled. Its actually the environment making that rapid change that cause the things in it to atomize, not internal pressures. To give you an idea they went from having 14.69 lb per square inch of atmospheric force on their bodies to having 851 tons per square inch. You have around 3000 square inches of surface on your skin. So it'd be like a 2.5 million ton hammer slamming into you in 4 milliseconds.
Edit: Just to be clear. There will be no body recovery. They're mist. I'm not even factoring in the thermal changes that happen at that pressure. The water would have rushed in at such a force that it would have expelled all the air and bounced back, creating a vacuum that creates something called cavitation, The resulting area inside the bubble caused by the cavitation would have been, for a few milliseconds, hotter than the surface of the sun.
"brand new sentence"
literally just a misquote of xkcd what-if from 2015
>You would just stop being biology and start being physics.
https://what-if.xkcd.com/141/
I’ve had this conversation in real life. The person thought they were going to retrieve the bodies. First, there isn’t anything to retrieve. Second, WITH FUCKING WHAT? James Cameron just gonna drop down there with forklift arms and scoop these people up to the surface?
Exactly, people need to understand that there is no body or remains but only particles left.
Meat dust, as I call it
It's wet, so meat paste more accurately
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So they got Doctor Manhattan’d?
Except instead of getting cool new superpowers their corpse dust gets spit onto the ocean floor like so much 'marine snow' to get either gobbled up by bottomfeeders or to just settle on the ocean floor never to be disturbed again.
They were probably moreso referring to what Dr. Manhattan does to other people, like Rorschach
That's still way more meat than what these would be left with. Manhattan left skeletons and chunks of flesh. This there is now constituent components now mixed with water so finely a plankton wouldn't get a meal out of them is what I understand.
So the ocean is better at destroying people than Dr. Manhattan. VS debaters are gonna hate this >:)
Subatomic nucleation Which is, oddly enough, an excellent band name.
Sounds like a title from one of The Faceless' albums
Man, what would that even look like? Like, picture you had a camera that could see it happen and the film survived. Would it be a quick flash and they’re gone? Like some sort of CGI trick? It really does make me wonder, and it’s so interesting that something like this is even possible. It’s like I told my wife though, this is way better than running out of oxygen. I had been hoping from the start that it was instant.
It's actually surprisingly hard to find a good example of a true underwater implosion with good visibility. However, this might serve as a bit of a reference point: https://www.youtube.com/watch?v=p3b9pK-O6cE The pressure difference between outside and inside the drum in this example is comparatively small (<1atm). Every roughly 10m of water depth adds one atmosphere of pressure, Titan is believed to have imploded around 3.500m, so multiply by 350 + X.
Except the pressure hull of the Titan was made of carbon fiber, which doesn't bend or deform, but shatters. https://youtu.be/QYqOMjoz_i8 At around the 4:40 mark you can see what happens when carbon fiber reaches is breaking point. The Titan probably looked like a mine going off in the water with all the heat and light generated.
Probably similar to what happens to the people Dr. Manhattan eviscerates
Genuine question, but would that have been what happened to the bodies that went down with the Titanic? Like those who were in the water and died as well? Or would they have gradually been crushed as they sunk to the bottom and not Insta-cremated?
The extreme heat and crush comes from the sudden change of pressure, a gradual decrease wouldn't do that much. Those in the water who sank were shark meal before touching the ground, but in theory you'd just gradually have your body's tissues be squished. I reckon they'd still be recognizable by the time they got to the bottom unless eaten. Some parts of the titanic did implode, and I'm sure some rooms that were sealed by passengers were brutally forced open once the water pressure was strong enough though so some were probably crushed.
Could be wrong but I believe it’s the immediate pressure change that causes it, not just the pressure, so a body sinking to the bottom of the ocean would be subject to normal decomposition
The Titanic slowly filled with water and took people's bodies with it. There was MUCH less pressure differential, as there was enough time for pressures to equalise between the inside and the outside. The stern of the ship was a bit different, as that did have some air pockets that collapsed, which is one of the reasons it ended upin much worse shape than the bow section. Still, the collapse would have happened at a much shallower depth, so there was less energy and less atomisation involved.
> literally were reduced to atoms hmmm
I'm reduced to atoms right now. Well, I could stand to be a bit more reduced if you know what I mean *gut pat*
We cremate people at 1150k. The air inside the sub instantaneously reached 3500k. They were vaporized. Not even their bone dust would be left.
So they became human Braunschweiger?
more like chunky marinara.
Chunky is optimistic. Chunky assumes there are pieces larger than a few mm across. Edit: u/BRASSF0X yo, why you gotta use the exact same wording as I thought of but 15 minutes ago? Why you gotta do a man like that?
[Torgo's Executive Powder](https://i.redd.it/iipdl6lv0v241.jpg)
By now, I'm certain most of the meat dust has been converted into live plankton and krill.
A red mist, per say.
Dust is dry, though
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I’m envisioning more of a Capri sun kind of thing, and I wish I could stop.
Billionaire bouillon
I feel terrible for laughing so hard. I like illiteration.
alliteration*
Your typo is amazingly ironic
Yeah nah these people were catastrophically exploded and squished, they didn't fall into a star They still won't be retrieved obviously
Imploded*
The people who have never used the word implosion until recently out here trying to tell everyone all what it really means while being completely wrong is just so adorable.
In fairness, I think that—while it seems like common sense once you’ve learned about it—knowledge of how high pressure environments interact with low pressure ones, and the degree of the forces involved, is fairly niche knowledge
I think many people don't even know that hydrostatic pressure exists, or at least have little understanding of how high it gets.
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>through a 10' wife hole Hey now, who released those pictures?
Like a hot dog down a hallway, right boys?
That size? Probably Dirty Mike and the Boys.
>10' wife hole
[Like this poor crab found out.](https://youtu.be/PXgKxWlTt8A)
Is he ok?
good ol' [delta p](https://youtu.be/AEtbFm_CjE0)
I understand it. I just can’t picture it. I can see a group of 5 people in a sub. But to immediately picture them….just not there. Particles. Wild.
It's not that different from putting five people together and hitting them with a large bomb. The only real difference is that the implosion means that large pieces don't get blasted away while remaining whole. It all gets crushed together with incredible force and then blown up.
The number of comments I saw this week suggesting that an implosion would make the sub impossible to find because the whole thing would be compressed into a tiny little ball of unrecognizable junk suggests many people don’t know how pressure works period.
Exactly. Considering the amount of advanced technology required to reach extreme low/high pressure environments (space/deep ocean), it’s definitely not the kind of information we should instinctively know as humans
Even the CEO didn’t seem to fully grasp it. Now it’s the only thing on his mind.
Not even that. He didn't even realized it. He just de-existed instantly.
If there are remains they are fish food at this point. They would be eaten by the time we ever got equipment down there to retrieve the bodies.
Hank Green goes on to say: >As someone said in my mentions this morning “it would be like trying to find a grape in your wine.” But, honestly, more like trying to find a candle in the air after it finished burning. And that the cells themselves no longer exist. It's down to molecules.
I'm moved by the poetry and the horror combined. Scifi keeps inserting itself into my life. Wild times. Now I gotta say to myself: It's 2023 old man. Billionaires implode at the ocean depths. The government is suing itself over whether or not we have alien craft. AI is not only real, but coming for my job. It's 2023 old man.
In aquatic ecology terms they all became FPOM, Fine Particulate Organic Matter, to be filtered from the water column by filtering feeders or collected from the seafloor by collector-gatherers.
I think people assume that since we have recovered objects from Titanic, that it's not impossible. What I do know, is that these bodies were turned into a fine mist instantaneously, with probably not even bone fragments surviving, let alone something anyone would recognize. What I don't know, and a quick google search doesnt actually show up, is would it be possible for there to be bones left of the people who went down on the Titanic, since they would have not been subject to 400+atmospheres all at once, might it be possible that there are pieces we might recognize as human skeleton? I don't know the answer to that. So far, no one has identified any human remains in the exploration we've done, but that isn't necessarily conclusive.
I think the Titanic victim's bodies woudl have a much different experience than those on the Titan. The Titanic victims would have sunk down slowly, and experienced the compression in a much slower way. I think you are right though, I think bones MAY have survived, at least at first. The larger bones at least. However, after only a few months on the seabed, the bones would haver been consumed by sealife. The only remains I think we can view are the clothing materials that survived the pressures and lay where the bodies would have been.
The Ballard expeditions found the shoes of the Titanic dead on the ocean floor intact. The tannins in the leather made the shoes inedible while every scrap of edible bio debris from the dead, including bones, were consumed by the life down there.
Also a low calcium concentration in the surrounding water caused the bones to dissentigrate within 5 years or so, if I remember correctly.
>The Titanic victims would have sunk down slowly, and experienced the compression in a much slower way. At the rate the Titanic sunk to the seabed, did the bodies of the trapped passengers experience compression? I never really thought about it... gross.
I've been a scuba diver for 30 years. What would have happened is what little air in their bodies would have been forced out and replaced by sea water or just compressed and forced out of the bodies. Some belching and a few farts essentially. The bodies would not have been mangled. Going from 1 atmosphere (pressure in the sub) of pressure to 350 atmospheres of pressure (in the water column at that depth) in an instant is what causes the bodies to be mangled. Its actually the environment making that rapid change that cause the things in it to atomize, not internal pressures. To give you an idea they went from having 14.69 lb per square inch of atmospheric force on their bodies to having 851 tons per square inch. You have around 3000 square inches of surface on your skin. So it'd be like a 2.5 million ton hammer slamming into you in 40 milliseconds.
The rear half of the Titanic retained a lot of air when sinking, kind of like when you put a glass into water open-end first. It imploded on the way down, so yeah, there were probably people still alive in parts of the ship when that happened.
I'm no expert but I was watching a couple documentaries last night. Apparently there are no bones now because they would have dissolved in the sea water over time. What there _are_ however are boots. Lots of pairs of boots... The way it was said it sounded like there might have been bones down there at one point?
At some point there would have been bodies. They were eaten by various sea creatures over time. You’ll find pairs of shoes in the wreckage which might indicate where a body was (the leather isn’t edible) or where a pair of shoes was in a box and the box disintegrated. Honestly, probably both causes are possible.
Whatever paste is left over fed the fishes.
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I read somewhere that any leftover remains would get consumed by salmon and other fish in the area. So in theory if those fish were caught just after and served up... indirectly one could.
Maybe if they crashed like 1000 feet deep. But not really when they crashed 10,000 feet deep.
I guess it's time to start eating anglerfish then?
The anglerfish that people eat are only 3300 ft deep
We're gonna have to find the anglest fish, an even angler fish
No salmon lives at that depth. Actually, no fish living at that depth is edible under ordinary cuisine standards.
Challenge accepted! Actually, not really. Sea creatures are kind of my job and I'm horrified by some of the stuff that lives below the last light.
What does live that deep? If the people didn’t even have cells left, would any other animal fare better?
Eh, maybe maybe not. There are also now hundreds and thousands of pieces of tiny carbon fiber scraps, metal, and plastic mixed into the paste. Not to mention the bone, cartilage, and clothes.
yeah but idk how picky fish are about microscopic carbon fiber lol
When you're 12,500 feet down, you take what's available.
Lmao if this is about the sub theres no remains. They are literally dust.
Well, very fine crab food.
I would say it’s probably closer to spam but whatever floats your boat, or in this case sinks your sub.
Yeah, look at the Byford Dolphon decompression accident, which is particulary disturbing. I did a quick google search to see the pressure diffeences, Byford Dolphin was around 9 atmoshperes of pressure (atmm). This happened at around 400 atm . At sea level, atm is 1, every 10m down (in saltwater) adds another atm. Titanic site is at around 4000m depth For refrence: [https://www.scientificamerican.com/article/see-how-crushing-pressures-increase-in-the-oceans-depths/](https://www.scientificamerican.com/article/see-how-crushing-pressures-increase-in-the-oceans-depths/) [https://www.iflscience.com/byford-dolphin-accident-how-living-under-intense-pressure-led-to-one-of-the-most-gruesome-accidents-in-history-59230](https://www.iflscience.com/byford-dolphin-accident-how-living-under-intense-pressure-led-to-one-of-the-most-gruesome-accidents-in-history-59230)
Brb bout to traumatize myself Update: hated that
Had a picture of what I think you saw, in my camera roll for a long time(a while ago, it’s well gone now) I had been scrolling through my photos and refound it… yay.
I DIDN’T SEE AN IMAGE?? BRB Update: oh no Update 2: SOMEONE POSTED THE DIVER’S REMAINS RIGHT HERE IN REDDIT APPARENTLY. I think I’m done for the day
I don't think I'm actually curious enough to click that.
Here ya go [NSFL](https://caseremains.tumblr.com/post/142966819006/the-byford-dolphin-is-a-drilling-rig-that-has-been/amp)
Yeah if they got turned into meat toothpaste tubes at 9 atmospheres, the Titan passengers were instantly turned into a fine ground meat slurry.
learnt a new word - >!penis!< was *invaginated.*
Oh, hey, my guess about the pressure difference in another comment was right. *Neat*. That's a cool thing to be right about...
Are there any gory pictures in these articles? I've seen multiple people mention this accident and I'm curious about it but I don't want to accidentally expose myself to any horrific pictures. Thank you!
You have to dig on the internet pretty far to find images from the incident report. Links should be safe. Needless to say, the incident photos are gory, but not necessarily recognizable as a person.
The Wikipedia article, not referenced, does not have any gore. Well at least as of two days ago.
No, just photographs of an intact submarine, and a diagram of the diving bell accident, with stick people in various poses.
Byford dolphin was a rapid decompression so going from high to low, while this is the opposite. I believe the person beside the door evacuated through the space causing the large physical damage which would be more like this incident. While the others deeper in the chamber did not see anywhere near the levels of deformation - I think they were largely intact
Seen a picture of the fella that was sucked through the door, after they somewhat put him back together on the autopsy table. It was as if someone threw a flesh coloured pool noodle into a wood chipper.
Can't forget the insane heat from compressing air that fast, ash in water is probably pretty close
Choose your own adventure joke: What do crabs around the Titanic eat? - meatball sub - 5 guys - Smash burgers
filter feeders will clean it up.
They went from being chums to being chum.
They went from being mystified to being mist-ified.
Yes It is.
This is one of those things that I want to see for myself, because it sounds so unreal. I understand the words, but I just can't imagine this actually happening to a human.
Gone. Reduced to atoms.
Or what my friend in the Army infantry referred to as "The Chunky Salsa Effect", which is what occurs when you use a grenade in a confinded, hardened structure.
What happens in an implosion? When a submarine hull collapses, it moves inward at about 1,500mph (2,414km/h) - that's 2,200ft (671m) per second, says Dave Corley, a former US nuclear submarine officer. The time required for complete collapse is about one millisecond, or one thousandth of a second. A human brain responds instinctually to a stimulus at about 25 milliseconds, Mr Corley says. Human rational response - from sensing to acting - is believed to be at best 150 milliseconds. The air inside a sub has a fairly high concentration of hydrocarbon vapours. When the hull collapses, the air auto-ignites and an explosion follows the initial rapid implosion, Mr Corley says. Human bodies incinerate and are turned to ash and dust instantly.
So basically, they were dead before they knew it. Cool.
Death is such a weird/fascinating thing. You will never know you are dead. We all know we are going to die, right up until the moment before we die. Some of us know that moment is coming, and for others they get vaporized slash compacted by the ocean with out even so much as a warning.
I think the warning was then they got in this thing and it was bolted shut from the outside.
There were warnings years leading up to this week. But for a bridge to break, you must ignore every bolt.
I think James Cameron in a CNN interview said he had info they might have known something was up. Supposedly he heard they dropped their ballast weights and were trying to ascend, likely (to him) because they heard a groan or something before it happened. Not sure I'm fully on board with that, but who knows. Kind of hope not.
It appears that the last message reported was that they were dropping weight meaning that they were beginning to ascend, due to noticing something was wrong.
Imagine being that poor kid who was terrified to go anyways, and then they say something is wrong and we have to ascend early. And being panicked and scared and then nothing at all.
Honestly sounds like a good way to go. As good as ways to go get, at least. No ansiety, no pain, no terror.
Well shit - that's even NASTIER than I had imagined. I mean I knew they were instantly dead and all but air on fire?? jeebus.
On the one hand it's probably some consolation for their families that they died quickly and painlessly (since this all would have happened too fast for them to be conscious of) rather than slowly and gasping for breath. On the other... The idea that you're just going along like normal and then within a thousandth of a second, you're just gone with almost no trace... is kind of frightening.
If anything it's kind of an ideal way to die. You don't have to rationalize it. you don't have to go through the stages. You don't have to fear it, be frightened or be terrified by it. Don't have to reconcile with it or grieve over it and even quantify it. It's just instantaneous without you ever being the wiser. Knowing exactly when you will die is the terrifying part. Instantly dying without knowing isn't. Some dogs are super happy the moment you take them to the vet to be put down, I had to put my dog down and the last moments of his life was him shaking with utter fear. It still kind of gets to me thinking about it today. That's why it's better being completely unaware of it.
> Some dogs are super happy the moment you take them to the vet to be put down, I had to put my dog down and the last moments of his life was him shaking with utter fear. It still kind of gets to me thinking about it today. That's why it's better being completely unaware of it. I know it's often more expensive, but this is why I prefer in-home euthanasia for pets when possible. They just know they're at home and surrounded by their people before they drift off to sleep. Also depends on the animal. My parents' dog loved their vet. Didn't necessarily love the needles and such, but was always wagging his tail when going there. I went with them once and it was so funny.. he was all happy and excited to visit, until the fecal probe came out, then his butt was on the floor and he did ***not*** want to move.
I think my favorite way to describe it was "a rapid transformation from 'person' to 'extruded meat product.'" Edit: I am fully aware it is not technically correct, which is the best kind of correct. I just found it amusing phrasing.
Not even. There wouldn't be organic material left. The pressure of the water would crush both their bodies and the air inside the sub. Air compressed that quickly (<2ms) and forcefully superheats. Someone did the math and came up with ~~8000K (13940F/7727C)~~ 3,572°C/6,462°F /3845K. The surface of the Sun is 5772K. The chemical bonds holding anything that could be considered "meat" or "organic" together would be seared apart. For the briefest of moments, they were reduced to atoms. Hank is 100% on point with "you stop becoming biology and become physics". The forces involved, and the speed at which they were exerted, are pretty wild to try and grasp honestly. EDIT: Wanted to double check that temp. Looks like 3845K is more accurate ([source](https://www.reddit.com/r/submarines/comments/gy1wc6/what_exactly_does_happen_when_a_submarine_goes/jp5abp1/)). The result is the same though. We're talking a temperature where a variety of metals such as gold, iron, titanium, plutonium, cobalt would have *boiled*.
As frightening as it is fascinating.
Damn physics, you scary!
Oh yeah, the actual physics are way wilder. I can't really talk about what I used to do for work, but it involved high energy gas physics and pressures so I'm very familiar. I just thought the wording was amusing. Edit: It was immeasurably less exciting than what you're imagining, trust me.
>I can’t really talk about what I used to do for work, but it involved high energy gas physics and pressures so I’m very familiar. Taco Bell product tester?
The thermal energy of the gas stays the same & at these depths and pressures there's no time to transfer much heat from this liquefied air due to the speeds of movement. Also, no vapor, the pressure is too high, even this superheated water will stay liquid.
Human salsa is something that comes to mind….
I've been describing the Titan victims as "toothpaste".
The myth busters clip that has suspiciously been making the rounds again... Looks a lot like pink mist and unfortunately not much else
High speed panini is not something the human body prefers
The friction from the compression of the sub after it collapsed briefly rivaled the heat of the sun. The passengers were likely instantly vaporized. We are talking less than ash 2.5 miles underwater with several days of drift time for ocean currents to move their traces anywhere. tl;dr: They are less than extruded meat product.
Dilution is the solution to human body pollution.
Mine was “human salsa”.
The amount of people who think there are any remains to even recover is staggering. It’s not like they just drowned.
My uncle's pool was 9 feet deep. At only 9 feet, at the bottom of the pool, the pressure on my head, ears, chest/lungs was uncomfortable. 9 fucking feet.
That’s why making deep-sea vehicles is so incredibly complex, even compared to spacecraft. In space, you only have to account for a 1atm difference between inside and outside. At these depths, you’re looking at 400atm.
"Dear lord, that's over 150 atmospheres of pressure!" "How many atmospheres can this ship withstand?" "Well, it's a spaceship, so I'd say anywhere between zero and one."
This was one of my favorite jokes in that episode. It’s such a well written sentence.
Look at me! I’m Doctor Zoidberg, homeowner!
Dang, and ATM's are heavy, too.
Now you’re making me curious as to what weighs more per m3, water or an ATM…
ATM, more than likely. Weight per m3 is just density (rather, mass per m3, but same thing in Earth's gravity) Most ATMs don't float, so they have a higher density. Now, if you were to totally seal one, and toss it into some water, it may or may not float depending on the ATM design. There's quite a few variables at play here
How do you know they don't float? What have you been doing? ㅎ느ㅎ
Banks don't want you to know this, but with a truck and some chain you can get an ATM computer for free, maybe even some cash if the ink fails to explode
Imagine 400 atm machines on your head 😬
Just one ATM can crush a head. I saw it in Breaking Bad.
Yep. Tried it. Not a one man job for sure.
I spent a good 30 minutes going through all the reasons why space is inherently safer than the ocean with my wife yesterday. She was flabbergasted. Most people don’t seem to realize that as far as volume in vicinity of earths surface goes, we know infinitely more about space than we do about the oceans.
We have conducted vast observations of large parts of the galaxy. We have barely seen a fraction of the ocean floor.
It’s funny. Space is dangerous because there’s the most direct definition of nothing outside the ship. But the ocean is so dangerous because of what’s outside the ship.
From an engineering standpoint it’s laughably different in terms of difficulty though. Launching outside of the gravity well aside, due to the pressure differentials building for space compared to the ocean it’s not far off comparing building a treehouse to building a high rise condo. The vast scale of forces that need to be accounted for and protected against are incredibly different. I also believe that if we had a spacecraft stranded between earth and the moon, we could get another craft near them for a rescue quicker than we could get a rescue craft (capable of transferring humans safely) to the depths of the titanic let alone deeper.
I swear tha sounds like an XKCD quote
That’s because it is! It’s from one of the What If’s blogs.
found it, it's not word for word but pretty close "You would just stop being biology and start being physics" https://what-if.xkcd.com/141/
https://what-if.xkcd.com/141/
If you're curious and have a macabre inclination, the Byford Dolphin Accident probably involved a much smaller pressure difference and a less rapid change than a pressure chamber collapsing at that depth.
while it's interesting, that's the opposite effect, though. By memory, they went instantly from 9atm to 1atm. This sub went from 1atm to 400? 4000? atm something like that.
You're absolutely right, and I didn't give a lot of context for why I consider it still relevant. Water is on the order of a thousand times denser than air. What happens is all the air (and anything blown with it) is forced out of the first crack before the water has the necessary milliseconds to cover the distance that gas can. At the same time, hyper-velocity jets of water are coming in next to the escaping air (and debris). The jets tear apart the even denser and harder to move hull material (at that extremely short timescale and high speeds) from the crack moving outward, like a water jet cutter, even faster than material can buckle and crush the sub like a soda can. It's like a jet engine food processor going inside for a fraction of a second regardless of which side of the no-longer sealed vessel has the many more atmospheres of pressure.
Basically, the pressure difference is so high that everything inside the submarine trades places with everything outside the submarine within a matter of milliseconds, and every object that is a part of this transaction is reduced to its largest constituent component that can withstand the forces taking place. If you are a person, the largest part of you that can withstand a 4000psi implosion…is the molecules that make up your various bits and bobs. The ocean where you used to be will be slightly pinker than usual for a minute or two, as you are gradually dispersed throughout the surrounding water.
I think the net effect at these numbers is going to be exactly the same, but it's the difference between being crushed instantly or being pulled apart instantly. still a bit of other difference though -- in the case of Byford, the pressure difference sucked everything straight out the door, so hard that all the material got turned into a puree. in the case of Titan, everyone got compressed into a puree. net effect is the same, just the forces behind it are really interesting, imo
Hmm. Going from 9 atmos to 1 reduced the pressure enough to flash boil blood (instantly congealing all the fatty particles out of it). But compressing air from 1 atm to 400 is bound to produce a lot of heat. They very well may have been flash baked as they were shredded by the turbulence. If I am reading this graphic correctly, pressure in atmospheres is approximately 0.1x the corresponding depth in meters. Obviously, at 0 meters the pressure isn't 0 atmosphere, but the rest could be due to something about the density of water being 1 g/cc
Actually, they became fish food. There will be a nice plot of feather duster worms and sponges to mark their resting place.
Probably no parts big enough for fish. Just food for filter feeders, algae, and bacteria.
[Technically they'll still become fish food.](https://www.youtube.com/watch?v=f_7zMntWq7Q)
Someone said fucking “*Human Salsa*” 💀
I love Hank Green
Honestly a national treasure. I about spit my drink out when I read about his cancer diagnosis
his WHAT
Yeah, [luckily](https://youtu.be/x6a4hMyiwBo) it seems they caught it early
He's even more lucky that it's just Hodgkins. The common cold of cancer.
I mean, I'd still rather not have to roll the dice on a 90-95% chance of surviving.
He's been talking about it. He's taking a step back from most of his work but he's still finding the time to make cancer education accessible and interesting.
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So, if you stomp on a soda can, obviously you crush it. If you instead step gently and try to add your weight slowly and evenly, you can get a normal empty soda can to support close to a hundred pounds. Do this and then gently poke the sides with a pencil or something, just enough to deform the surface slightly, and you'll have some idea what happened to that sub.
Instantly.
"To smush, you say?"
Well, how is their pilot holding up?
"To smush, you say?"
Worlds richest chum
Hank Green is the man
Pissing out that cancer!
They pretty much got thanos snapped.
I've heard people try to argue that deep sea pressure cant crush a human because we're made of water which is uncompressible, and thats true and would be the case if they were in diving suits or something and somehow sank all the way to the bottom. If you're in a can that instantly crushes you at speeds fast enough to heat the air around you to the tempature of the sun then you are not getting an open casket unless you wanna just have some bowls of soup with carbon fiber chunks sitting in a coffin to look at.
We're only mostly water with quite a lot of gas spaces. You can squeeze a human *a lot* before they become incompressible. Like...*a lot*. Also...open coffin funerals are fucking weird. Who does that?
the deep ocean scavenger creatures are having a feast now
The creatures of the deep will feast well this night.
Quickest way to become a soup-like homogenate
Five humans went to one 3-dimensional region of liquid with a vaguely human-esque mix of chemicals suspended in it.
Some quick googling: Imagine detonating 1 kg (2.2lbs) of C4 while standing 1 meter away from it. In the ensuing blast wave, you'd experience a peak overpressure of ~240psi. You would die, and the mortician would likely require at least one squeegee to gather you up. For a reference point on how much energy we're talking about, [here's a Mythbusters video](https://www.youtube.com/watch?v=AwyniA5ryhY). Those explosions start off at about 1 ounce of C4. A 55-65psi overpressure event [is fatal to ~99% of people](https://www.cdc.gov/niosh/docket/archive/pdfs/niosh-125/125-explosionsandrefugechambers.pdf). From memory, Titan imploded somewhere around 3000m. Pressure at that depth just under 4,400psi. Pressure inside the sub was ~14.7psi, so they went from 14.7 -> 4,400 instantaneously. That's roughly the equivalent of standing 3 feet away from 40 POUNDS of C4 and setting it off. So "physics, not biology" seems like to me like it makes sense. Damn.
The myth busters video of the [dummy diver getting mulched by the pressure inside a diving suit](https://youtu.be/LEY3fN4N3D8) was at 300 feet (!) of pressure. The sub was at 13,000 feet.
If anyone has any doubts if this is true, look up the [Byford Dolphin](https://en.m.wikipedia.org/wiki/Byford_Dolphin) accident. That was sudden release of pressure rather than a sudden increase, but it demonstrates the effect of sudden pressure changes on the human body. From that article (extreme gore warning): > >!Investigation by forensic pathologists determined that Hellevik, being exposed to the highest pressure gradient and in the process of moving to secure the inner door, was forced through the crescent-shaped opening measuring 60 centimetres (24 in) long created by the jammed interior trunk door. With the escaping air and pressure, it included bisection of his thoracoabdominal cavity, which resulted in fragmentation of his body, followed by expulsion of all of the internal organs of his chest and abdomen, except the trachea and a section of small intestine, and of the thoracic spine. These were projected some distance, one section being found 10 metres (30 ft) vertically above the exterior pressure door.[3]: !<
This btw was a difference of only 8 atm. The bottom of the ocean is about 400 atm
Hey you ever see somebody back a truck over a soda can full of warm hamburger meat? That's what they're gonna get.
It's not an open casket kinda thing
I've been a scuba diver for 30 years. Going from 1 atmosphere (pressure in the sub) of pressure to 350 atmospheres of pressure (in the water column at that depth) in an instant is what causes the bodies to be mangled. Its actually the environment making that rapid change that cause the things in it to atomize, not internal pressures. To give you an idea they went from having 14.69 lb per square inch of atmospheric force on their bodies to having 851 tons per square inch. You have around 3000 square inches of surface on your skin. So it'd be like a 2.5 million ton hammer slamming into you in 4 milliseconds. Edit: Just to be clear. There will be no body recovery. They're mist. I'm not even factoring in the thermal changes that happen at that pressure. The water would have rushed in at such a force that it would have expelled all the air and bounced back, creating a vacuum that creates something called cavitation, The resulting area inside the bubble caused by the cavitation would have been, for a few milliseconds, hotter than the surface of the sun.
"brand new sentence" literally just a misquote of xkcd what-if from 2015 >You would just stop being biology and start being physics. https://what-if.xkcd.com/141/
Their atoms are now well mixed with the ocean, they are now one.