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

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24:10, I want to know something else, the CO2 dissipates w/o any noise, great.... BUT, does that CO2 dissipation not harm the marine fauna & flora in ANY way? Does marine organisms not need O2 as well? Please enlighten me.

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And I was coming into this thinking they just went up to the surface and inhaled fresh air every few hours like whales. :P

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"we're low on oxygen in here... but first let's do a walkthrough how we get more oxygen in here"

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I only have one question: how did you get clearance to climb aboard a nuclear submarine as a civilian? Lol.

Now. If you invert a submarine how it keeps water pressure out. That's how a space vessel keeps pressure in a vacuum :)

Seawater and electrolysis makes chlorine gas. Not Oxygen. You need to desalination it first. Surprise Nuclear reactor!

Or you could just pack a few trees

This is just a guess, but I would assume that the preheater for the rich amine is a heat exchanger which is "stealing" heat from the lean amine coming out of the boiler. Doing so would reduce how much electricity is needed by the boiler. Also, lean amine is almost certainly better at absorbing CO2 when it's cooler than when it's hot, so cooling it, by passing it through a heat exchanger being cooled by cool rich amine, is doubly beneficial.

I wish my chemistry class was taught like this- great stuff!

Woah I have that same refrigerant leak detector!

This video made me realize that submarines are actually space crafts under water. The environment is actually similar. That's awesome!

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He said "nine inch nails" 🤘🤘🤘

small tree plants?

Are we just ignore the fact that that dudes name is Dow Jones?

We probably pay $35,000 each for those candles.

Thank you for referring to the submarine as "the boat"

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Is this not a security breech of navy intelligence?

Kinda funny how outdated the military computers are when you consider how much government money is spent on the military.

Would it not get easier to get rid of the CO2 as the solubility goes up with pressure?

As usual, an absolutely awesome video--I learned so much! Thanks for all the effort you put into making these educational gems. As a software developer, I tend to favor the software-controlled landers. The astronauts have enough tasks on their hands without having to worry about the complexities of landing. What if the software/hardware fails? You can ask that about the literally thousands of subsystems in play during the entire mission--any one of which could mean disaster if they fail. The answer lies in thorough testing and failover backup systems. Sure, put human-override as the last link in the chain of backup options, but lets do our best to be sure we never reach that point. Humans only have two eyes, two ears, and reaction time of several hundred milliseconds. Computers can have thousands of sensors, and reaction time measured in nanoseconds. And they don't get hungry, thirsty, tired, or distracted.

What about nitrogen

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This dude wants to see everything. Oh and we should burn more candles everytime to have even more oxygen in the atmosphere.

On a submarine or in a submarine? 🤔

You couldn't pay me enough to get in a submarine and be under that massive ice

Hey Destin! Ever thought of doing a compilation video with Taofladermaus? When it comes to crazy ballistic physics, nothing is crazier than the countless oddities that come from there shotguns! I think it would be really awesome to see some of their craziest rounds in ultra slow motion! Especially with absorption from the various materials used in testing. There's a lot of real potential to check there!

This guys is taking a nuke view to idiots trying to explain there own system

Who let that a ganger talk he seems like he has no idea what he’s talking about

So how do you make Nitrogen? Kinda need around 70% nitrogen and 20.8% oxygen in every breath.

ok wellllllllll what about space

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Why would you not just keep the sniffer always set to detect "small" leaks? It seems like that setting would also detect large ones.

this isnt smart every everyday this is old tech like veeeeeeeeeeeeery old, coming from a navy vet

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Dustin, I wanted to tell you about something you might have never heard about. Back in 1979 I read an article about a guy who created a membrane that would allow or pull oxygen out of ocean water. Its made of plastic with red blood cells mixed in with the plastic. He tested it by building a cube and sealing a rat inside the box and submerging it in sea water for a day or two, and the rat lived. I think the guy was a scientist in Israel, but I'm not sure of this. I think I read this in Popular Science. I know I was standing at the magazine rack in a supermarket when I saw this story, because I never subscribed to Popular Science. Then again it might have been in Scientific American. The article went on to say that the Navy was interested in his invention. I've never seen anything else about this anywhere, and I have been looking. Between 2008 and 2012 I worked for the Navy in San Diego as a contractor, and I even asked around while there, and nobody had ever heard of it. So I don't know if it was really a working thing. It could have been and it just went dark. I would love to know if it would really work. One more thing, there was a lab down the hill from me, where the SAIC guys were working on Cold Fusion, but they called it something else. And they got results and it was posted on PAeye. Then they shut down the project. Our tax dollars at work.

Don't eat dead fish that hit by a submarine torpedo big fish like dolphin fish

I'm going say it here: Kiwi co boxes changed my life during the pandemics. Nice sponsorship.

Yeahp, smarter every day...and learning from the best, US Navy. Awesome.

Why is there iron in the candle? Thanks

Fan-tastic

Thanks so much! I got a little smarter today! Who knew.

"I'm from ohio" "Oh"

Why can’t they put a plant

Redundancy is always good for systems that keep you alive.

15:03 NINE INCH NAIL

"deep dive" .. lol, well played

Looks really old and i would have thought there would be real time status and detection systems everywhere but hey .. what do i know

Are not gonna talk about that guy's haircut at 12:17 ? That looks manly compared to alot of goofy silly hairstyle nowadays 😜

All very interestig and informative. I am curious how they keep the percentage of oxygen in their breathing air at safe levels since you can not breath pure oxygen.

Wish he could talk like a normal person.....

Since the air we breath is ~79.2% nitrogen and 20.8% oxygen, in a sub does the Nitrogen levels remain the same? and if it doesn't, how is it made up to keep the same ratio?

Nine inch nail!!

Showed China our best subs .... has this been cleared?

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Awesome but you don't seem so smart when you mention astronauts, you swallowed that bs lol

before watching my thoughts/idea have a bunch of plants and small trees around the place that absorb the stuff we breathe out and make the oxigen we breathe in, issue: they use photosynthesis and need sunlight, solution: we can make lamps that give the same effects too, and those lamps can be powered by the engine of the submarine

19:41 father and son

Why is the need of scrubbing the CO2? Shouldn't be enough to add the oxygen? (I don't understand why is more CO2 released in the air)

"So is this you job" LOL

Amazing video as always, but there's one thing i don't understand. Where does the Carbon come from?

So interesting thank you! Will discuss this electrolysis method in my science class

Do they sing "happy birthday" when they light the candles?

All you need is a bit of greenery - plants produce oxygen and consume CO2 although....a bit hard without sunlight.

3:33 Who else thought they had a massage area

class Delta fire. I like the sound of it.

this video is appearing in my recommendations for than a month. I finally clicked it and liked it. PAeye never fails to amaze.

I learn more information about your tips

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This was an amazing video

When he said it was "self oxidizing", I realized it was a form of thermite reaction, where O2 was an output of the reaction, released into the atmosphere. Amazing.

i dont understand to it... so they are making oxy-hydrogen gas and separating hydrogen and breathable oxygen? because otherwise they could die due to poisoning from "browns gas" and i thought that this process of electrolysis is able to use only in welding technique or cars and not even thinked about it can be used as oxygen generator to submarines. nice video

so... the mea doesn't scrub the carbon off of the co2... it actually takes the co2 out of the air

What happens to the co with the lithium hydroxide method?

Fun Fact: We are capable of scrubbing the CO2 out of this planet's atmosphere similarly to the way described in this video in amounts equal to or greater than what we produce. We have already built and used facilities to do such, with the largest currently being built in Texas. It is a 1 Megaton atmospheric CO2 plant, which is the equivalent of 14,000,000 trees in that one CO2 plant. It works great and we would only need 40,000 of those facilities across the world to capture all of the CO2 produced on Earth. Sadly all our anti-CO2 funding is going into monetarily inefficient "green ideas" hyped by the mainstream environmentalists funded by certain institutions focused on selfish goals which are not going to help the majority of our people prosper while keeping our environment healthy.

The Clinkers are named after an old blacksmithing term. When a blacksmith burns coal, some of the coal's impurities cant burn and are left behind, so you end up with a chunk of hard rock like materials in your forge. But when those chunks fall in your forge blowing fan they will "clink" around until settling or falling out.

Oxygen not included. Both way applied.

4:40 the dude in the back lol

"We own practically 90% of the boat" I'm sure that TM div and M div totally agree with that statement.

Could you burn this in your house in an emergency for heat?

Destin when not filming: Haha I sabotaged your oxygen supply! See ya! ( is among us dead? )

Great, now I have the science I need to hide from other humans underwater indefinitely.

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Can you do a video on nonlinear acoustic lenses and sound bullets?

Sooo...submarines are filled with really tough nerds. That’s awesome.

This is a great video

Is this... like... "legal?" I mean, isn't showing all this stuff kind of like revealing somewhat sensitive information, possibly harmful in the wrong hands? I mean.. shows where and how all the mechanisms for one of the most vital functions keeping our nation's service people *alive*... seems kind of sensitive,

O x y g e n

Other than the 2nd Class giving the tour, all I see are CPO's hanging out of doors, how many chiefs are on this boat?!

About 40 years ago when I was a teen I bought an Oxygen Welding device from Sears which used a small version of those candles with a red substance on the tip, you'd light them just like you would a match and they burned at a phenomenal rate of heat.

Cool stuff

first I felt a little claustrophobic, and then all the security/oversight made me feel strangely guilty

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Because subscribing to a new channel is like a breath of fresh air