... it ran out days ago (assuming it didn't implode):
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The 96 hours thing comes from the Oceangate website factsheet. Do you think they ACTUALLY tested that by putting five people in it for 96 hours?
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Whatever went wrong with the sub (electrical failure, implosion) probably compromised the oxygen supply or made it redundant.
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The 96 hours assumes they breathed evenly. Do you think they weren't panicking and trashing and screaming and hyperventilating?
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Oxygen is only one part of the problem, the other is dangerous CO2 buildup. These subs have CO2 removal systems that need replacing every 10 hours or so. They would be inhaling dangerous levels of CO2 long before they ran out of oxygen.
They're mega, mega dead.
If they're able to surface but there's no ship in sight, they could at least pop the hatch to breathe actual air instead of canned air. They could still asphyxiate while floating on the surface if the ship never found them.
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dang the free market really fucked up on this one
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