How Do Nuclear Submarines Make Oxygen?- Smarter Every Day 251

Go to for 15% off your order. Brought to you by Raycon. Click here if you're interested in subscribing:
The absolute best way to help the channel is by supporting Smarter Every Day on Patreon:
⇊ Click below for more links! ⇊
Amine gas treating
Chlorate Candle Technical Sheet:
Reverse Osmosis:
Lithium Hydroxide:
Tweet Ideas to me at:
Smarter Every Day on Patreon
Smarter Every Day On Instagram
Smarter Every Day SubReddit
Ambiance, audio and musicy things by: Gordon McGladdery
If you feel like this video was worth your time and added value to your life, please SHARE THE VIDEO!
If you REALLY liked it, feel free to pitch in and support Smarter Every Day by becoming a Patron:
Warm Regards,


  1. SmarterEveryDay

    SmarterEveryDay3 ימים לפני

    1. A special thank you to those who support on Patreon at 2. I've decided to start sending the videos out via an email list. If you'd like to be notified directly so there's no Algorithm between you and I, Feel free to sign up here: . Be sure to add the address to your contacts so the email doesn't go to spam. Thanks for considering it!

  2. Super Yacht Chef

    Super Yacht Chefשעה לפני

    Dude - what language is the Submariner with glasses and baseball cap speaking, the subtitle didn't clarify his words?

  3. dot

    dot3 שעות לפני

    -Matter didn’t create anti matter -Anti matter didn’t create matter (Both of them were present at the time of big bang) -Both of them didn’t create themselves. -Both of them came from an unimaginable source, that unimaginable source created matter and antimatter (everything) thats why it is known as “the creator” of everything. ------ - that unimaginable source/creator has created sin and virtue which are opposite to each other, - logic says every action has its own reaction, so the reaction of sin must be different than the reaction of virtue, - the creator has created prophets to let us know about each and every detail of sin and virtue, also about their reactions, Thank you :)

  4. MackASmack LickadySlap

    MackASmack LickadySlap8 שעות לפני

    @Malinda Macrone so many different ways that "opp" can be interpreted as.

  5. MackASmack LickadySlap

    MackASmack LickadySlap8 שעות לפני

    @Malinda Macrone what?

  6. Malinda Macrone

    Malinda Macrone8 שעות לפני

    @MackASmack LickadySlap 0pp

  7. Steve Blackbird

    Steve Blackbirdדקה לפני

    Funnily enough our old now retired B767-300's used oxygen generators (candles) about the size of a hockey puck for the pax in case of emergency. Pretty clever tech that I'm glad is still being used. Yes they get rather hot!!

  8. CMDR Sweeper

    CMDR Sweeper6 דקות לפני

    I put off watching this as I figured I had it all down... But the MEA and the oxygen candles were unexpected, well the oxygen candles were somewhat expected. Airliners uses something similar for their emergency O2 supply if they lose cabin pressure.

  9. usscharlottessn766

    usscharlottessn7666 דקות לפני

    Amine and midrats!!!!!

  10. usscharlottessn766

    usscharlottessn76611 דקות לפני

    Also I was on a fast attack and this is the first time I’ve seen it as well😂😂😂

  11. Nathan M

    Nathan M19 דקות לפני

    Is there not a way to monitor gas levels when the electricity goes out? Those leak detectors don't seem sufficient, as they are looking for high concentrations of gas.

  12. kaito kid

    kaito kid20 דקות לפני

    Aren't you guys giving away way too much information about a nuclear submarine?

  13. MR. E

    MR. E21 דקה לפני

    Only been out 3 days and almost 2mil views??? Nice job!!!

  14. Spencer Bliven

    Spencer Bliven22 דקות לפני

    "I wanted you to meet my dog, Princess Bumper Snoot"...completely ignores his wife

  15. usscharlottessn766

    usscharlottessn76622 דקות לפני

    This looks like a fast attack. Ah....memories

  16. SeKeLuS

    SeKeLuS22 דקות לפני

    i cant understand a word the ohio man said :)

  17. Alex Ortiz

    Alex Ortiz23 דקות לפני

    The fine platinum spectacularly train because spider nouzilly precede by a perpetual quail. undesirable, husky buzzard

  18. bluestone best

    bluestone best24 דקות לפני

    now i want to try to dive with an oxygen candle (not in a submarine) to see how much oxygen i can get

  19. Thomas g

    Thomas g26 דקות לפני

    9500btu is around 5277 °C 0.0

  20. Artemirr Lazaris

    Artemirr Lazaris30 דקות לפני

    I have another question. Who knows if you read it. I need help designing and making a structure that is not electronic but mechanical in design. So, the inside layer is simply a compass. The secondary layer (outer sphere) I want it to be able to track fixed points towards our centre solar system. IE like the galactic median. I was thinking that setup process may include pointing at no fixed points from earth, thus it simply tracks the fixes locations of star cluster creating an intersecting points (cross hairs) of our solar system. Then a third layer of fixes galaxies towards our galaxy, painting crosshairs on our galaxy. I thin it would be fun and useful... Of course... the centre of our galaxy is offset from out location, just as earth is offset form the solar system centre for the previous one.... My thoughts is if you like nasa, or navigation. A mechanical globe with layered spherical latices with points could rotate to those locations during night or day, so you always know your position relative to our observable universe.. which is good practice if one is traveling.... Compass direction give us 2D directions on earth... Solar system directions give us 3d dimensional directions on EARTH, but 3d directions in our solar system.. the process continues. their simply looking for stable points between systems of hierarchy that are stable enough to be used as accurate reference to conceptualize where we are in the universe. On earth without magnets it would be hard to create a reference of movement, with the stars changing, one would have to have a very good understanding of timing and location already to use the stars to conceptualize where the planet they are. Setting this up would change depending on fixed objects targeted in the sky... maybe that makes no sense, but it sounds like fun.. knowing your place in the universe... Universal navigator.. the reason I was thinking mechanical system, or limited energy, is that it would work in any place within our Galaxy. without the need of outside source of power except the person, winding it or whatever is used to track, and power its movements.... and with base knowledge one could set it up... to navigate again.. hmm... lost in space.. with a ... galactic compass. lol... rather then a solar or terrestrial one. :D

  21. Ectar

    Ectar36 דקות לפני

    The amine absorbs CO2 better when cold, so after the amine gets heated up in the boiler and had its CO2 driven off, first the now lean amine is used to preheat the incoming rich amine in a heat exchanger.This helps to cool the lean amine as well as pre-heat the rich amine, which reduces the amount of external heating and cooling that needs to be done, saving energy. The lean anime is then further cooled before being sprayed again.

  22. Andy Spark

    Andy Spark37 דקות לפני

    Very interesting video. Would be kinda concerned about potential of flash oxygen fires without the oxygen being highly diluted immediately. Doesn't take much percent higher than nominal to create dangerous conditions in an enclosed space. Presumably, the electrolysis oxygen production is the normal method and maybe it pipes/dilutes into vent system rather than just pouring it into production area...?

  23. Ana Sandoval

    Ana Sandoval39 דקות לפני

    I understood this but I also felt like it was way above my paygrade. What I am curious about is how they dispose of the used candles? Do they throw them out to sea to decrease any potential added weight or are they kept on board?

  24. DJ Gaming

    DJ Gaming40 דקות לפני

    This isn't a troll question, I really am curious. What happens if someone or if many people are farting all night from like consuming dairy or whatever? I know I've ruined a tent doing that. Would the alarms go off?

  25. David Reynolds

    David Reynolds41 דקה לפני

    No mention of snorkeling?! :(

  26. Erik Kasper

    Erik Kasper46 דקות לפני

    So is there a way to make oxygen in space? You know, without the water around you?

  27. laskin riubn

    laskin riubn40 דקות לפני


  28. Jim-Jim Mann IV

    Jim-Jim Mann IV46 דקות לפני

    19:08 Guy needs to be a model!

  29. erstesOG :Domus7

    erstesOG :Domus748 דקות לפני

    What happens with the hydrogen from the electrolysis?

  30. laskin riubn

    laskin riubn40 דקות לפני

    security from cyber threats, or because these submarines haven't received a big time update in several decades? I can't help but think that having your breathable air levels o

  31. Dutch Parisien

    Dutch Parisien53 דקות לפני

    It's logically..... not do smart🙄😕

  32. Ravi M

    Ravi Mשעה לפני

    WoW Just woW, Totally Blown away with how technically complex a sub is and the things people have to do to keep things running.


    BOOZINGAשעה לפני

    Please go back to somewhat short videos

  34. Phire

    Phireשעה לפני

    Oxygen not included.

  35. Matthew de Oliveira

    Matthew de Oliveiraשעה לפני

    This here is a NIN.

  36. Mj C

    Mj Cשעה לפני

    I wonder. Did they have to burn the candles because you were on board and the system was limited? Or were they just giving you a great tour? Seems like they wouldn't need to use them very often.

  37. lolsfacebook

    lolsfacebookשעה לפני

    As much as this video was interesting as they all are, your runing jacket took the cake for best part of the episode. Too cool

  38. &I

    &Iשעה לפני

    Why can't you just bring plants onto the submarine that don't require sunlight?

  39. Nic

    Nicשעה לפני

    "I'm from ohio" "Oh.."

  40. Sojourner

    Sojournerשעה לפני

    4:55 :E

  41. Egiteguh YP

    Egiteguh YPשעה לפני

    Smarter everyday

  42. Jan Van Nkandla

    Jan Van Nkandlaשעה לפני

    Lunar lander LooL

  43. moreelo silva

    moreelo silvaשעה לפני

    Why did the rocket on the wall move 🤔🤔🤔😂.time 27min27sec..

  44. Екатерина Назырова

    Екатерина Назыроваשעה לפני

    The abrasive garlic multivariably improve because innocent immunocytochemically place notwithstanding a clammy algebra. cruel, known stock

  45. Jared Lind

    Jared Lindשעה לפני

    Question for everyone in the comments. All the tech in this episode looks super legacy, everything is analogue and CRT screens. Is that simplicity for ease of repair sake, security from cyber threats, or because these submarines haven't received a big time update in several decades? I can't help but think that having your breathable air levels on a tablet (for example) would be far superior than physical dials having to cycle from one screen to another in the event of a critical air situation. Can someone venture an explanation?

  46. Swordless Mimetown

    Swordless Mimetownשעה לפני

    YOURE DOING COVERAGE ON THE ROVER?! I’m stoked to see! Hopefully you bring in Mark Rober to talk about his role. I would really like to hear about it! Thanks for being the tightest channel!

  47. Vyrus01AP1

    Vyrus01AP1שעה לפני

    my grandfather was the oxygen generator technician on a sub back in the 60s. had 2 on board. used one as parts to keep the other in operation.

  48. Maggie Trupido

    Maggie Trupidoשעה לפני

    ⚡❄🌬🌊🌜💈🌁💒☁☀🌀🌈🔥💧⭐🌟⛅ *På grund av kärlek. Gud sände sin son Jesus Kristus för att dö i vår plats. Tre dagar senare. Rose honom från de döda. Nu. Endast av Jesus Kristus.* *Gud har gett oss den eviga livets fria gåva. Han kommer att rädda och läka dig..* *(titta upp mot himlen och fråga honom))*

  49. HaunterOfKanto

    HaunterOfKanto2 שעות לפני


  50. raha1277

    raha12772 שעות לפני

    Great series!

  51. Tarvis 52

    Tarvis 522 שעות לפני

    Do the candles at least smell good?

  52. Green Nights

    Green Nights2 שעות לפני

    Can't just type in the link, works from here. I click the headphones, 404 Page Not Found. If I m going to spend that much, better come with a resonance helmet.

  53. Biscuit ُ

    Biscuit ُ2 שעות לפני

    real life oxygen not included

  54. Aron Kogler

    Aron Kogler2 שעות לפני

    4:35 that guy in the bg is legend😂😂😂😂😂

  55. Cam Mitchel

    Cam Mitchel2 שעות לפני

    We do not create Oxygen, it is separated out of water, which is made up of hydrogen and oxygen.

  56. burleydad

    burleydad2 שעות לפני

    Did he say "Nine Inch Nail"?!

  57. 1 stp klosr

    1 stp klosr2 שעות לפני

    I love you Destin

  58. astrong0

    astrong02 שעות לפני

    Those candles 100% remind me of the SolidOX soldering bars you used to be able to buy at a hardware store. Same thing on them too. Some sort of perchlorate compound in a small ( the size of a roll of US quarters) with a red phosphorous tip. Light it, stick it in the holder, and it pushes out oxygen enriched gas that we used to melt copper down with. The spent bar was a strange slag looking bread textured thing. Just like those clinkers. I bet these are the same things just bigger.

  59. Joseph F Portelli

    Joseph F Portelli2 שעות לפני

    They are indeed, very fine bubbles. On both sides.

  60. Adam Sullivan

    Adam Sullivan2 שעות לפני

    So if you do electrolysis on the salt water and get H2 and Cl what happens to the oxygen and sodium?

  61. Nadeem Sadeia

    Nadeem Sadeia2 שעות לפני

    Next: how do international space station make oxygen?

  62. Matthew Hunter

    Matthew Hunter2 שעות לפני

    I feel like you could take the amount of carbon dioxide that was produced and put it through some fancy machine and find out what somebody said based on how much carbon dioxide they created and in which patterns to make words

  63. Green Nights

    Green Nights2 שעות לפני

    Claustrophobia, freaking out just watching.

  64. Alfie Bee

    Alfie Bee2 שעות לפני

    When you learn more in this video then a year in chemistry gcse


    OFFICIALLY SPARSH2 שעות לפני

    A boy asked a girl in a library: "Do you mind if I sit next to you"? The girl replied with a loud angry voice; "I don't want to spend the night with you !! Everyone in the library started looking at the boy and felt embarrassed. After a few minutes the girl walked calmly to the boy's table and said: I study psychology and I know what the man is thinking, I suppose you felt ashamed, right? The boy answered out loud: $ 300 for one night That's too much! and all the people in the library looked at the girl in shock and the boy whispered in her ear, "I study laws and I know how to make someone guilty ... 🤭 If you like the comment, please "write" on my channel ... I know I misspelled spelling and grammar 🤗 But ILmines doesn't allow promotion ... It only takes 5 seconds, thanks ❤️🙏🏻 [If you don't want to sub ***** e, that's fine, but don't spread the hate ..

  66. blaster 0416

    blaster 04162 שעות לפני

    I wonder what kind of strings he pulled to video tape on a nuclear submarine and demonstrate the equipment.

  67. Michael Stone

    Michael Stone2 שעות לפני

    So what does Destin actually do for a living? He is incredibly smart!

  68. David Craddock

    David Craddock2 שעות לפני

    Destins next video “remember those oxygen candles I showed you. I made those same ones But larger

  69. 如月飛羽

    如月飛羽2 שעות לפני

    8:22 that's such an effective visualization.

  70. Lo Kiwi Na

    Lo Kiwi Na2 שעות לפני

    Was kinda hoping there was just a room full of potted plants somewhere on the sub



    this guy should be on the tv

  72. Jason Rhome

    Jason Rhome2 שעות לפני

    Are you named after Destin Florida? Never heard that name before until I went there lol.

  73. Whiskey Delta 40

    Whiskey Delta 402 שעות לפני

    Like that game Oxygen not included but irl

  74. Eric Waltersdorf

    Eric Waltersdorf2 שעות לפני

    Someday compare this to what they have to do on the International Space Station. Low gravity makes this all much harder.

  75. Chethan Burre

    Chethan Burre3 שעות לפני

    So the rate of Oxygen consumed to burn the candle is far less than the rate of Oxygen released from burning the candle?

  76. Christopher Eshleman

    Christopher Eshleman3 שעות לפני

    An answer to the thumbnail before watching: because the substance they're surrounded by is a third oxygen. Jeez.

  77. Nick Fedorov

    Nick Fedorov3 שעות לפני

    "So where did you learn all this?" "In the Navy" "In the Navy?" "Yes, in the Navy" *Village People music starts playing*

  78. gunit 010

    gunit 0103 שעות לפני

    What are you doing in there bothering those people for your own benefit when they are busy protecting american ?

  79. WingfootMcNova

    WingfootMcNova3 שעות לפני

    Isn't the sub docked on the surface during this video? They still burn oxygen candles when they're surfaced? I would have thought they'd just ventilate air from outside.

  80. redstang5150

    redstang51503 שעות לפני

    HEY - was that the Mythbusters artist?

  81. John Harpe

    John Harpe3 שעות לפני

    -------- Original message -------- From: John Harpe Date: 2/24/21 8:43 AM (GMT-08:00) To: John Harpe Subject: Dear GSED, Thank you for your ILmines productions. I have enjoyed many. A recent offering brought to attention “Central Atmospheric Monitoring Station” (or something along those lines) on nuclear submarines for crew oxygen and carbon dioxide management. Having a background as a retired First Responder and Respiratory Therapist myself, I hope you don’t mind me asking an academic question regarding ship HVAC designs that can possibly destroy aerial microbes from the atmospheric while encouraging air and droplet microbes to enter a floor ventilation intake away from hands and noses, and then is ionized and temperature controlled as it travels up wall passages to be re-introduced above a Sailors head. Air movement is then encouraged to move from top down. I believe the end effect would be like being in the center of a toroidal vortex gas movement, but the recirculated air is N95 filtered and USN sterilized before overhead reintroduction. Thank you kindly😊

  82. Snow axe

    Snow axe3 שעות לפני

    The only submarines I have been in to is "KOSATKA", it got everything a person needs, A sleeping Quarter Kitchen with Beer, Pizza, and Red Caviar Bedroom TV Obviously, it armed with Torpedo and Missiles,

  83. The Great Avocado

    The Great Avocado3 שעות לפני


  84. Duality

    Duality3 שעות לפני

    you can engage with a human.

  85. werealldead_ _

    werealldead_ _3 שעות לפני

    As much as I envied their port calls, I still am happy I was on the Ohio class subs

  86. FerdinandFake

    FerdinandFake3 שעות לפני

    They just dump the oxygen out into the walkway? I expected some kind of ducting everywhere

  87. Elijah West

    Elijah West3 שעות לפני

    Why not build a plant 🌱 room on submarine? We have the lights for indoor growth and it would be a natural way to removed the CO2 and get oxygen! It also has the potential to look really cool with plants all over a submarine.

  88. Daniel Lewandowski

    Daniel Lewandowski3 שעות לפני

    Ya oxygen candles got me I thought I knew what I was talking about but I guess now I am smarter . Thanks ❤️

  89. Rhazien

    Rhazien3 שעות לפני

    The guys coming in and seeing the camera and just backing out hahaha

  90. Alfred Petersbourg

    Alfred Petersbourg3 שעות לפני

    Dont wanna go into this complicated stuff.. but there a lot of stuff in the screen right now and thats what happening. Killed me

  91. will2see

    will2see3 שעות לפני

    17:27 Why your chemical reactions aren't balanced??? Would you write 2 + 2 = 5???

  92. Aaron Mcdaniel

    Aaron Mcdaniel3 שעות לפני

    The "preheating" of the rich amine (23:37) is probably just a part where excess heat from something else hot on the sub is reused to make this process require less heat. He mentioned a heat exchanger, and after more thought, I would guess it is the heat from pressurizing the CO2. I'd bet money that they have a lot more heat generated than can be dissipated by the sub, so they probably want to minimize their heat generation wherever possible

  93. Majed Marji

    Majed Marji4 שעות לפני

    The shiny pantry topically whine because arithmetic observationally zip off a young hedge. narrow, sloppy air

  94. Kyotra

    Kyotra4 שעות לפני

    Oh boy, gonna be interesting to see the crew react to the covid lockdowns.

  95. mlfsup

    mlfsup4 שעות לפני

    Awesome. Curious. They said change candles every 2 hours. But are the candles only supplementing the main oxygen? A GREAT channel. Thanks for sharing all of this.

  96. Tyler Chrise

    Tyler Chrise4 שעות לפני

    of course the dude from ohio is named Dow... hello from the mansfield area lol

  97. Nio Martinez

    Nio Martinez4 שעות לפני

    Destin, sooner or later you'll end up rading the ISS itself. Like what you're doing here, I just know it.

  98. Fred Flintstone

    Fred Flintstone4 שעות לפני

    Submarines are a class of demigod, they contain the people they consumed and rarely see water.

  99. Aaron Mcdaniel

    Aaron Mcdaniel4 שעות לפני

    When the oxygen levels are low and Destin just wants to learn cool things, meanwhile everyone else just wants to breathe

  100. turb0m0nk3y

    turb0m0nk3y4 שעות לפני

    Fork Handles!

  101. Russell Reilly

    Russell Reilly4 שעות לפני

    North Korea has joined the chat....

  102. Michael Lundy

    Michael Lundy4 שעות לפני

    "A class delta fire isn't something you want to deal with on a submarine" I work in a rescue team in the petrochemical industry. A class delta fire isn't something I wanna deal with ANYWHERE.

  103. The Babocks' Show

    The Babocks' Show4 שעות לפני

    6:07 Cameo by "Bass Pro Shops". Hey Destin, do they fish when surfacing? Is it like - let's catch us some fresh tuna in free time?

  104. thomasj1026

    thomasj10264 שעות לפני

    I work in refrigeration tell them to throw away those H10s. Piece of unreliable garbage. D-Tek stratus is the way to go

  105. strkeout

    strkeout4 שעות לפני

    Dustin, this series inside the submarine has been so enjoyable to watch. What a thrilling series of videos. Thank you to you for bringing this to us and thank you to the US Navy for allowing this to happen.

  106. Hass H

    Hass H4 שעות לפני

    So Logic quit his rapping career to join the navy as part of a submarine crew


    IOIOOIIOIO4 שעות לפני

    You can use electrolysis on seawater to make chlorine in the various heat exchangers to minimize marine fouling from things growing in the nice warm water.