Crab vs. Pipe (11 secs - no audio)

This is a video taken in 6000 feet of water. An undersea robot is sawing a 3mm wide slit (1/10th of an inch ... remember that width) in a pipeline. The pressure inside the pipeline is 0 psi, while the pressure outside is 2700 psi, or 1.3 tons per square inch. Then a crab comes along....
Poposays...

Thanks for the explanation because I watched this first and thought, hmm OK that blob seems to be the crab, and then what?
Then I watched again and said: Oh. Oh my..
Imagine such a hole in a spaceship, the pressure would be 183 times less.

siftbotsays...

Tags for this video have been changed from 'crab, pipe, pressure, underwater' to 'crab, pipe, pressure, underwater, pipeline, vaccuum, marine, deep sea' - edited by yoghurt

Stormsingersays...

I'd be surprised as hell if the interior pressure is anywhere near 0...certainly not after cutting a slot in the frikkin pipe. Even before the pipe is cut, I rather doubt that any material we could put down there could bear up under that sort of pressure, and still be thin enough to be cut through by -that- blade (which is clearly only a few inches in diameter, at most).

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