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gargravarr2112 t1_j13mbw3 wrote

Reply to comment by th3d3wd3r in Could being submersed in a sealed tank of fluid help humans survive heavy G acceleration in outer space? by cheeze_whiz_shampoo

IIRC in the Abyss, the breathing fluid was real and the rat was actually breathing it on film (the scene got censored for the UK release due to perceived animal cruelty). Bud, however, wore a helmet full of coloured water and held his breath.

In Event Horizon, the crew still breathe gas through masks. The medic mentions in the opening scene: "When the ion drive engages, we'll be pulling about 20 Gs. Without a tank, the force would liquefy your skeleton." Another comment notes that breathing gas is still viable to about 20G, above which fluid breathing would be required.

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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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