this post was submitted on 21 Jun 2023
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No Stupid Questions

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For those who are unaware: A couple billionaires, a pilot, and one of the billionaires' son are currently stuck inside an extremely tiny sub a couple thousand meters under the sea (inside of the sub with the guys above).

They were supposed to dive down to the titanic, but lost connection about halfway down. They've been missing for the past 48 hours, and have 2 days until the oxygen in the sub runs out. Do you think they'll make it?

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[–] [email protected] 4 points 1 year ago (1 children)

Yea when I first heard about this I kinda just wrote them off tbh. The ocean is massive and moving, plus they're in a glorified, malfunctioning, soup can.

I've never heard of the guy, but I can imagine based on that description jeez.

"It's all apart of the experience" probably.

Maybe for a camping trip, but not this lol. Your already completely and literally out of your element.

[–] [email protected] 3 points 1 year ago (2 children)

I've heard somewhere it's easier and safer to explore deep space than to explore the deep ocean.

[–] [email protected] 3 points 1 year ago

I mean just superficially space is 0 atmospheres of pressure and sea level is 1. Compare that to the many hundreds of bars of pressure at the bottom of the ocean.

The distance is greater when exploring space but there's nothing there. No currents or waves or storms or sharks... Just nothingness.

[–] [email protected] 3 points 1 year ago (2 children)

I wonder...is that only because we use probes? Or is it something to do with atmospheric pressure? Like I'm assuming water is heavier than space so even if you had a space suit on underwater you'd still get crushed or eaten by some big ass squid.

I'd love if a scientist could weigh in on this.

[–] [email protected] 3 points 1 year ago (1 children)

My layperson understanding is that with space you only have to have something robust enough to keep the atmospheric pressure in (as well as other considerations of course) which allows for less robust materials. For deep sea exploration you need something robust enough to keep the water pressure out.

For additional info: 10 metres of water depth is approximately equivalent to 1 atmosphere's worth of pressure (ATM) - so 50 metres is 5ATM and so on and so forth. So theoretically a submarine would have to combat hundreds of ATMs of pressure, whereas a space craft only has to combat at most a couple of ATM.

In the ISS a minor hole can be patched pretty easily and quickly as it's a slow leak of air out, however if a leak occurs in a submarine the results can be explosive and deadly.

[–] [email protected] 2 points 1 year ago

Thank you, yes this is what I had in my head, I appreciate you wording it properly, with examples!

[–] [email protected] 1 points 1 year ago (2 children)

So, I'm not a scientist, but I've watched plenty of space and ocean documentaries because it's interesting to think about, so I'm pretty qualified, right? So, space is actually the opposite of heavy. It's a vacuum, so the vessels designed to operate there have to deal with holding pressure IN, instead of out. Also, there's no big ass squid in space to eat you, lmao.

[–] [email protected] 1 points 1 year ago

even if you get a hole in your space suit you'll live for a minute or so before freezing/dying of lack of oxygen. Get a pin hole in a sub down by the titanic and it will basically instantly implode killing you before you even knew something happened. space is far easier other than getting there and the radiation you need to protect against long term.

[–] [email protected] 1 points 1 year ago

Yes you are qualified, cause you summed it up pretty good! Summary: ocean is sketchy af!