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originally posted by: Phage
a reply to: usos90
No, they don't.
They still resurface for air.
I see you've put a lot of research into nuclear subs, too.
...a sealed container that contains people and a limited supply of air. There are three things that must happen in order to keep air in a submarine breathable:
Oxygen has to be replenished as it is consumed. If the percentage of oxygen in the air falls too low, a person suffocates.
Carbon dioxide must be removed from the air. As the concentration of carbon dioxide rises, it becomes a toxin.
The moisture that we exhale in our breath must be removed.
Oxygen is supplied either from pressurized tanks, an oxygen generator (which can form oxygen from the electrolysis of water or by some other means) or some sort of "oxygen canister" (You may remember these canisters because of their problems on the MIR space station -- they release oxygen by a very hot chemical reaction).
Oxygen is either released continuously by a computerized system that senses the percentage of oxygen in the air, or it is released in batches periodically through the day.
Carbon dioxide can be removed from the air chemically using soda lime (sodium hydroxide and calcium hydroxide). The carbon dioxide is trapped in the soda lime by a chemical reaction and removed from the air. Other similar reactions can accomplish the same goal.
The moisture can be removed by a dehumidifier or chemically. This prevents it from condensing on the walls and equipment inside the ship.
originally posted by: Zaphod58
a reply to: usos90
The process is the same. They generate oxygen on the ISS. The reason people on subs have problems is because they can't see the sky. They're locked in a tube with no windows and no light. That takes a mental toll on the crew. The ISS, and people in space don't have that problem. In earth orbit they can simply look out the window at the planet, and they have sunlight coming in.
originally posted by: eriktheawful
a reply to: usos90
Nope, sorry. Your opinion.
Dead horse here on ATS, as with all your other "ZOMG! NASA FAKE STUFF!!".
Years and years and YEARS of people trying to prove it's all fake....and yet they fail each and every time. Dead Horse and Bat.
Zero proof that we didn't go. Overwhelming proof that we did.
And no: they do not have to surface the subs as long as all systems are working. I know. Ex-Navy myself.
Keep trying to prove it though. No one has succeeded yet. Everything from Space itself being fake, to the ISS is fake, to just about anything.
What really cracks me up is the amount of you people that think NASA is the only space org out there...and yet somehow each country cooperates to fake things.....like the Moon landings.....and the height of the Cold War.
Riiiiiiiiight. Keep on believing that.
originally posted by: Montana
OP, please explain why we shouldn't assume this is just another thread by a Youtuber posting his own vids to get a boost in ad revenue? It's the only reason I can fathom someone posting such obvious drivel.
originally posted by: TerryDon79
originally posted by: usos90
originally posted by: TerryDon79
a reply to: usos90
too many risks, too many liabilities, too much of a hazardous job.
By this "logic" we wouldn't have planes, trains, cars, coal mines, nuclear power plants, electricity, running water, oil, modern medicine and just about anything because of "too many risks".
Risk takers and innovators are what get things done. Not people who sit there and go "Nope! Too risky."
You're right, those are definitely dangerous jobs and not too many people can handle them.
Just saying that space is not habitable. No oxygen, no water supply, no agriculture, VERY HIGH RISK POTENTIAL etc.
At least with the careers you posted their is oxygen and businesses available to the workers/clients. Not so much in space.
Would be worse than being stranded in the mountains.
OK.
Deep sea welding, shipwreck scavengers, any job under the sea.
Just because you wouldn't take the risk because you're too scared, doesn't mean others wouldn't to progress our knowledge.
originally posted by: Phage
a reply to: Zaphod58
Yup electrolysis. Plenty of electricity on a nuke sub and plenty of electricity on the ISS.
Date: November 10, 2017
Mission: Orbital ATK Resupply Mission to Space Station (Orbital ATK CRS-8)
Description: Orbital ATK's eighth contracted commercial resupply services mission, launching aboard an Antares rocket from Wallops Flight Facility in Virginia, will deliver several tons of cargo including crew supplies and science experiments to the International Space Station.
the crew can also generate oxygen chemically by igniting Solid Fuel Oxygen Generation (SFOG) canisters comprised of lithium perchlorate. Each canister provides the oxygen needed to support one crew member for one day.
What, in your mind, is a biochemical?
Wow, so they use biochemical to generate oxygen.
Yeah, I'd rather breathe oxygen instead of chemicals.
originally posted by: eriktheawful
a reply to: usos90
:facepalm:
Oxygen is Oxygen.....doesn't mater what other elements it may be attached to. If you split it, so that you have the oxygen, you have the oxygen.
Do you have ANY idea of what all is in the air that you breath here on the Earth?
No....no you don't or you would not be making such statements.
Where or where did our educational system go wrong?
sigh