this post was submitted on 20 Dec 2023
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[–] CaptnNMorgan@reddthat.com 9 points 11 months ago (1 children)

Wait, explain that to an idiot please. Could the water pressure crush a person? It wouldn't just go up?

[–] frostwhitewolf@lemmy.world 23 points 11 months ago* (last edited 11 months ago) (1 children)

Because water doesn't compress it transfers any shockwaves straight through anybody who is in the water. This happens much faster than the water has time to move out of the way.

Sailors who are in the water after abandoning ship during naval battles are in extreme danger of dying if a bomb goes off close by.

[–] CaptnNMorgan@reddthat.com 7 points 11 months ago (3 children)

So what exactly happens? The water moves into the person so fast it crushes them?

[–] Voroxpete@sh.itjust.works 13 points 11 months ago (3 children)

Not exactly. The shockwave propogates directly into your body. Basically, the energy transfer liquifies your internal organs.

[–] JungleJim@sh.itjust.works 1 points 11 months ago

Since my answer seems to have been incorrect, can you help me understand how that's different from being rapidly and thouroughly crushed by the water the soldier would be submersed in? The water is the medium of the shockwave, so the energy crushes you through the force propagated through the water. No?

[–] chatokun@lemmy.dbzer0.com 9 points 11 months ago (1 children)

For some reason my post wouldn't post. Anyway, here's a video demonstration https://youtu.be/W4DnuQOtA8E

It uses balloons filled with water and air and small firecracker explosions to show how different the pressures on your body would be (especially organs like lungs, digestive tissue, which would have air/gasses in them).

[–] CaptnNMorgan@reddthat.com 3 points 11 months ago

Thank you for this, wild stuff

[–] JungleJim@sh.itjust.works 1 points 11 months ago (1 children)
[–] tswerts@lemmy.world 3 points 11 months ago

This reply thread is the information I needed from this topic 👍