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InvisibleBlueRobot t1_j14hcca wrote

It was real for the mouse, in real life military tests the fluid is too heavy and it damages human lungs to the point of incurable issues. So we need a little work. Something lighter and easier to move in and out of the lungs but provides the same benefit.

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anormalgeek t1_j15u81z wrote

Isn't it being "heavy" directly related to how well it handles the pressure though? Like if it's light enough that our lungs aren't damaged, then it's light enough to have the same issues are breathable air.

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