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A man who ran out of air at the bottom of the ocean
- mrhappyunhappy 7y agoGreat, an ad for a documentary. Fascinating story but still an ad.
- ultrarunner 7y agoI got rid of my TV entirely in large part because of the ads. I run an ad blocker. I’m not a fan of most advertising. But man, when something is actually useful and unobtrusive I don’t complain! Imagine if every ad was a captivating story that made you think and introduced interesting concepts (like death being less something to fear and more about what you leave behind). That’s not going to happen, so even if this is an ‘ad’ I for one am quite happy with it.
- mrhappyunhappy 7y agoFair point. Sometimes I just have angry moments when I realize I’m being sold to. I don’t stop to think that maybe perhaps it’s okay to do this if you are sharing something interesting.
- ultrarunner 7y agoI completely agree! So much of the advertising industry seems to be comprised of people who have an enormous amount of distain for their target demographics. People don't like being taken advantage of or manipulated, and it's depressing that it's gotten to this point. I just think that in this case, while they (ostensibly) want to promote a documentary, they're presenting it in an honestly compelling way. That's about as much as I could ask for, I think, and I wish others would reimagine how they sell products to align more with this strategy.
- Stratoscope 7y agoThis is a fine article in its own right, quite independent of the documentary.
- brian-armstrong 7y agoThis article is quite fascinating, but the title is a bit misleading. The diver was about 100m deep. He was on the sea floor but arguably not "on the bottom of the ocean" (though maybe, by some interpretation)
- hprotagonist 7y agowhat is the sea floor if not the bottom of the ocean?
- rhapsodic 7y ago>what is the sea floor if not the bottom of the ocean? One could argue that the bottom of the ocean is the lowest point on the ocean floor.
- mc32 7y agoWell, in a way yes, but then so is wading next to the seashore. Think of the converse “at the top of the mountain.” At least I’m thinking some peak and not just on a slope up the mountain.
- deleted 7y ago[deleted]
- rconti 7y agoTo be more of a smartass than a pedant, but... the bottom of the sea? https://www.worldatlas.com/articles/what-is-the-difference-between-an-ocean-and-a-sea.html https://www.worldatlas.com/articles/what-is-the-difference-b...
- quickthrower2 7y agoin that case I too have run out of air at the "bottom of the ocean"
- cstrat 7y agoWow that was an interesting read! This quote got me. All because of compression & decompression. > “It is quicker to get back from the Moon than it is from the depths of the sea in some ways.”
- petschge 7y agoThe polar station in Antartica is also quite inaccessible during winter. Winter-overs are proud of the fact that they are more remote than the ISS. There you can get in a Soyuz and be back in 90 minutes. In Antartica it might be a month before they can airdrop supplies, maybe four month until they can airlift you out.
- omoikane 7y agoSee also: https://en.wikipedia.org/wiki/A_Place_Further_than_the_Universe https://en.wikipedia.org/wiki/A_Place_Further_than_the_Unive... It's a great series about exploring Antartica, where the title came from the fact that it takes longer to reach Antartica than to reach space.
- jandrese 7y agoIt makes sense. Antarctica is further away from almost every place on Earth than Space is. Sea level to space is closer than Manhattan to Trenton.
- thaumasiotes 7y ago> Sea level to space is closer than Manhattan to Trenton. "Closer" is a fuzzy concept. I've seen the same point made another way, that you can be closer to space than you are to the sea... even if you're in Japan, a long, narrow island. But then again, imagine if whenever you tried to drive to Trenton from Manhattan, a tornado picked up your car and threw it back to Manhattan.
- ThePadawan 7y agoOh my god, I just got that title. Thank you so much!
- ayakura 7y ago>If you lower the brain temperature down to 30C (86F), it can increase the survival time from 10 to 20 minutes. If you cool the brain to 20C (68F), you can get an hour. Wow, I actually didn't know this until now. Is this method used anywhere in medical procedures to resuscitate or prolong life?
- thrower123 7y agoI believe that this is a common trope in medical dramas. While I'm unaware of how often it is actually done, I know that I have seen it done in multiple episodes of House, or ER, etc, etc.
- cstrat 7y agoAt least it's an accurate medical trope :)
- duskwuff 7y agoIt absolutely is. There's been considerable research on the use of therapeutic hypothermia during surgery, or after a traumatic injury. https://en.wikipedia.org/wiki/Targeted_temperature_management https://en.wikipedia.org/wiki/Targeted_temperature_managemen... https://en.wikipedia.org/wiki/Deep_hypothermic_circulatory_arrest https://en.wikipedia.org/wiki/Deep_hypothermic_circulatory_a...
- Someone 7y agoThe popularized way to say that is ”Nobody is dead until warm and dead” See for example https://www.ncbi.nlm.nih.gov/pubmed/24882104 https://www.ncbi.nlm.nih.gov/pubmed/24882104, which states ”the longest time from cardiac arrest to return of spontaneous circulation was 6 h and 52 min”
- sytelus 7y agoSo this may be the basis of cryogenics? If you just cool down in specific way, you can turn off metabolism and then turn back on again at later date?
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- latch 7y agoReminds me of the fantastic movie The Abyss (1)...vaguely recall a similar scene where there's N tanks of oxygen for N+1 people, so they submerge 1 of the crew to lower her (i think) metabolic rate. Curious why they don't have emergency unmanned drones with the crew or why they don't have emergency tanks at their work site (which he was able to get back to) (1) - Not sure how well it has aged (https://en.wikipedia.org/wiki/The_Abyss https://en.wikipedia.org/wiki/The_Abyss)
- cstrat 7y agoYeah even if the unmanned drones are too hard, having spare tanks at the work site sounds like an easy way to at least supply oxygen... however without the umbilical cord he loses the heat supply. Maybe its more pleasant to pass out while your body freezes.
- killjoywashere 7y agoGetting cold probably saved his life by reducing the metabolic burden. This is done intentionally during certain surgeries, such as aortic aneurysm repairs. It also informs the ER standard: you're not dead until you're warm and dead. Also, it's staggering how much oxygen can be dissolved into your system at depth. The Navy did some experiments where they put pigs in a chamber, pressurized them to something obscene, like 300 feet, and replaced their blood with water. The oxygen diffused so well the pigs were still conscious and walking around. Source: I work with a lot of Navy dive medicine officers.
- rkagerer 7y agoWhat an incredible tale. Ironically, this story at the moment shows up directly beneath one titled "Hacking the Casio F-91W to Handle 1000+ PSI"
- Joakal 7y agoQuestion for the medical readers: a person dies when brain dies from lack of blood flow, right? So all those injuries, say a car crash where heart will stop soon. 1) Disconnect the head from body 2) plug it into a machine that supplies blood, etc 3) the body is repaired 4) reattach head to body. Overlooking the obvious trauma, is this possible? While extreme/traumatic, I think it could be more reliable as other factors below neck are taken out if equation to dramatically increase chance to survive. Other methods rely on hoping the body isn't too broken to recover. Ie restarting heart, etc then literally giving up as the brain dies from lack of blood flow. A lite version of above is cutting the veins in neck and attaching a dialysis. Would this lite method work? Source: Hearsay reports of moving lips from beheaded woman was literally inspiration for this idea, not futurama heads. Edit: https://theconversation.com/did-anne-boleyn-really-try-to-speak-after-being-beheaded-106650 https://theconversation.com/did-anne-boleyn-really-try-to-sp...
- jazoom 7y agoIt's not just the brain. All the body's organs require perfusion. The heart will also quickly die without perfusion. Other organs will survive a little longer.
- bayareanative 7y agoThat's what an ECMO is... a last-ditch effort to perfuse the brain and vital organs to see if the body can recover. It rarely does. Head transplantation is still too "out there."
- nostromo 7y agoIt bothers me that it's called a head transplant and not a body transplant. If I needed to, I would definitely choose a new body over a new head.
- manjana 7y agoOne problem with head transplantation that comes to me, is that of resources such as hormones and neurotransmitters produced by the body (i.e. intestines produce neurotransmitters). Thence it is not only a problem of oxygenation of brain tissue.
- ducttape12 7y ago> They now use emergency tanks that carry 40 minutes of air rather than five. Glad to see the change, but why even carry a tank with 5 minutes of reserve? Might as well just plan on holding your breath in that case.
- HeWhoLurksLate 7y agoWell, it's better than nothing. That's enough to hold your breath 2-3 times, IIRC. That time means a lot.
- deleted 7y ago[deleted]
- nradov 7y agoThe idea is that if there's a problem with the umbilical, 5 minutes should be enough time for a diver to get back to the bell where they have plenty of gas. But in this case the bell was dragged out of position.
- ip26 7y agoThis is just idle observation, but when you ascend the air in your lungs expands and you are supposed to continuously exhale to prevent lung rupture. Supposedly if you start with a full pair of lungs, you can ascend pretty much from the bottom of the ocean on just one breath because of this. Also somewhat related, the deeper you go the less time your tank lasts. From what I remember, at 100m, a "5 minute tank" is probably similar in size to a standard scuba tank.
- idlewords 7y agoThis is correct; scuba divers are trained to do a controlled emergency ascent while continuously exhaling, because your lungful of air at depth will last the whole way up, and the real risk is not running out of air, but embolism from overexpansion. The limiting factor in ascent (and therefore the reason for the recreational dive limit of 60 feet) is the risk of decompression sickness. If it weren't for that, a diver at arbitrary depth could ascend on a single breath.
- Thaxll 7y agoThe documentary is on Netflix, it's worth a watch: https://www.netflix.com/watch/80215139 https://www.netflix.com/watch/80215139
- iamcreasy 7y agoThank you. Just watched it. Good one. The thing that bothered me that they resumed to do the same dive 3 weeks after the accident - it doesn't sound like enough time to setup protocols to prevent the same accident from occurring again. Also it was very weird to hear that they don't have checklist to follow when they ships's dynamic position system fails...They were essentially trying to control the ship by whatever they can think of for over 20 min while somebody is suffocating on the ocean floor.
- jnye131 7y agoNot really suprising that there wasn't a checklist, a DP3(GPS, backup and failsafe)ship shouldn't ever suffer DP run off. Then it did. So now I suspect there are actually checklists.
- BuildTheRobots 7y agoNetflix just gives me a "Netflix Site Error – Page Not Found". What's the documentary called, so I can find it by other means please?
- PatrolX 7y agoSaw it appear on Netflix a while ago and ignored it. Now I'm watching it :)
- sytelus 7y agoRelated - David Blaine's world record of holding breath for 17 minutes: https://worldrecordacademy.com/stunts/longest_breath-holding_world_record_set_by_David_Blaine_80235.htm https://worldrecordacademy.com/stunts/longest_breath-holding... Which is probably already broken: https://www.reddit.com/r/IAmA/comments/132l2v/i_hold_the_guinness_world_record_for_the_longest/ https://www.reddit.com/r/IAmA/comments/132l2v/i_hold_the_gui...
- CrowFly 7y agoI love David Blaine, but we should remember he is a _magician_ and they don't always tell the truth.
- mladenkovacevic 7y agoI think this is the current record. 24 minutes and 3 seconds. It's hard to comprehend. http://www.guinnessworldrecords.com/world-records/longest-time-breath-held-voluntarily-(male) http://www.guinnessworldrecords.com/world-records/longest-ti...
- SmokeGS 7y agoMedically there are policies in various countries that differ on the term 'dead' or 'clinically dead'. Various places have different standards of dead. This has a huge effect on organ donation rates. For my medical emergency thank god I live in the US or my organs would have been donated already. some places may have a policy for either 'respiratory arrest or cardiac arrest after x period' to be considered clinically dead. If I had been in one of those countries my organs would be in many different people's bodies. I thank god every day that I was born in the US.
- dev_dull 7y agoMore info please. What happened?
- SmokeGS 7y agosomeone tried to kill me for exposing them raping my girlfriend and the doctors used experimental oxygenated blood to save my life. I got really drunk the night i was assaulted because of a related incident. During the incident with my gf, her ex and i were trying to locate her after a party (we were in another dorm and she called us on a cell, not hers) and she recollected she didn't know where she was, she was naked, and that some males were holding her close not letting her go. They would only give her clothes after a sexual act was performed. We tried locating her but we were too late. Afterword, I and the girlfriends ex tried pulling the call 'metadata' but it was deleted or i was not allowed to access it. I have a higher likelihood of suffering a stroke in my 30s due to the fake blood injections. My roommate was paid to keep watch while the offender tried to suffocate me. While transported to the hospital i lost consciousness for a long time. The hospital pretended like they had consent to inject me with the fake blood. The hospital covered up the rohypnol in my system. The nurse there assumed i tried to slip a gril a roofied drink and failed. The college buried the report, blaming it all on me. My parents were shamed. My girlfriend ended up dating the offender for 2 years due to violent threats on family. The offender got away with sexual assault against me (buck breaking). The offender stuck his dick up my ass so I wouldn't tell anyone of the event (i am male and it almost worked). The only reason I survived is that I pretended to die (thanks burn notice) only for the offender to realize he didn't want to kill anyone. I had a brown-out of the events for about 1.5 weeks after. This will be my greatest shame for the rest of my life not trying harder to prosecute the incident.
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- diveanon 7y agoWhat is really interesting is that at depths below 65m the real danger isn't running out of air, but that air itself becomes toxic due to the higher partial pressure of oxygen and it's effect on the nervous system. Tech and commercial divers breathe exotic air mixtures which are hypoxic and include helium to mitigate this. Dive science is pretty fascinating and is still a developing field.
- agumonkey 7y agopressurized oxygen has different effects on your breathing/vascular system ?
- jdietrich 7y agoAt sufficiently high partial pressure, it's toxic. https://en.wikipedia.org/wiki/Oxygen_toxicity https://en.wikipedia.org/wiki/Oxygen_toxicity Nitrogen becomes narcotic at high pressure; breathing normal air at 30m is like being tipsy, but below 90m it can be fatal. https://en.wikipedia.org/wiki/Nitrogen_narcosis https://en.wikipedia.org/wiki/Nitrogen_narcosis
- agumonkey 7y agoimpressive
- dig1 7y agoNitrogen narcosis is usually called "drunkenness of depth" (if I translate this correctly), because it produce effect like you are drunk. I've seen and heard many stories of experienced divers that would do silly things due this effect; that is why you always have to have partner with you and the rest of the crew near by. This effect is highly dependent of person and I've seen guys goes beyond 40m without getting this at all.
- folkrav 7y agoI'm no professional diver, but did a bunch of dives between 60-100ft, and it seems like it can start happening to me around 70-80ft. Experienced divers will be more conscious about when it happens to them, and will plan their actions accordingly. It's pretty eerie. It's _literally_ like being drunk, but you happen to be strapped to an oxygen tank with 100ft of water over your head, and could get extremely sick if you did something too stupid. It's actually a pretty safe activity, given you follow safety rules. It's however pretty easy to stray from them.
- cyberferret 7y agoMain article aside, I have to take the article to task for the section where they talk about an airplane and the oxygen masks that deploy when the aircraft depressurises and the passengers find it "hard to breathe". Having gone through a depressurisation chamber as part of my flight training, at 35,000 feet (the normal cruising altitude for most passenger aircraft), it isn't actually hard to breathe. In fact, it feels quite normal. Your body just doesn't get enough oxygen into the bloodstream because the density of O2 in the stuff you are breathing in is so low, which causes onset of hypoxia. The very reason why we do the sessions in the chamber - so that we can detect the symptoms of hypoxia particular to our own bodies, because there is normally no way to tell that you are no longer in an O2 rich atmosphere until you notice your fingernails turning blue and flashes of lights on your retina as well as feeling slightly tipsy (my own symptoms). At higher altitudes (50,000 feet and up), then yes, there are issues because your diaphragm cannot create enough pressure differential against the outside air pressure to make you inhale and fill your lungs. My flight instructor was a test pilot in the 50's and 60's and he said when they were at that altitude, they were literally force fed liquid oxygen through their masks. They couldn't breathe it in, so they just had to open their mouths every few seconds and LOX would be shoved in (at freezing temperatures too, which used to dry out their nose, mouth and throats according to him).
- pdkl95 7y ago> so that we can detect the symptoms of hypoxia particular to our own bodies Destin of SmarterEveryDay (with astronaut Don Pettit) recorded his experience with that training, which included a demonstration of the effects of hypoxia on his decision making ability. He doesn't notice the rapidly increasing symptoms: >> [Destin fails child's shape toy test, saying the cross was a square] "Alright you're starting to have a little shake there, you know from your lack of oxygen. You need to start thinking about getting back on oxygen now Destin." >> "How would you correct for that? Can you correct for hypoxia for me?" [Destin just sits looking confused] "Alright sir if you don't get on oxygen, you're going to die. Go to your regulator, get all three switches on your regulator..." [Destin looking even more confused: "I don't want to die"] >> [they get him back on O2, fixing everything in seconds] https://www.youtube.com/watch?v=kUfF2MTnqAw https://www.youtube.com/watch?v=kUfF2MTnqAw
- metabrew 7y agoYou're not dead until you're warm and dead, as the saying goes.
- barrad0s 7y agoThere is a documentary about this, which I recently watched. https://www.imdb.com/title/tt9056818/?ref_=nm_knf_t1 https://www.imdb.com/title/tt9056818/?ref_=nm_knf_t1
- PatrolX 7y ago"But his survival is not unheard of either. Tipton has examined 43 separate cases in the medical literature of people who have been submerged in water for long periods. Four of these recovered, including a two-and-a-half-year-old girl who survived being under water for at least 66 minutes." Wow, 66 minutes! Amazing.
- peripitea 7y agoI feel like you could make 6 minutes of air last an hour or more if you breathed really slowly (like one breath every 30-60+ seconds). Maybe I'm misunderstanding the device he had, or maybe it already has that assumption built in, or maybe he just wasn't quite that efficient but that is part of why he was blacked out but not dead when his friends pulled him up.
- nradov 7y agoIt's tough to relax and slow down your breathing when you're scared and about to die. And after a few minutes of forcing yourself to breathe slowly the CO2 accumulation starts to mess with your head.
- Mauricio_ 7y agoNot reading this. I don't want spoilers for the documentary.