Why is waterpressure something that is holding us back to go very deep in the ocean?

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Would it crush the machine’s we’re using to explore depth? Would the pressure affect a human inside an exploring machine if the machine itself is strong enough to withstand the outside pressure, if so how? Would a full can of coke collapse if we would bring it very deep in the ocean? If so, how? Because what I heard is that a liquid can’t be compressed, so a full can off coke shouldn’t collapse right?

Thanks in advance

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Anonymous 0 Comments

The pressure is probably not a big hurdle if it’s an unmanned craft that doesn’t need any air to work. Then it’s more a matter of actually controlling the craft. Radio waves are about as useful in water as bullets, they just die off after a few meters. So you need an insanely long cable and that’s where it starts to get tricky.

Plus there’s lots of complicated logistics to even get to those deep waters, so it all adds up and gets pretty expensive. As far as we currently know, there’s not a whole lot of interesting stuff down there, at least *financially* interesting, so who’s gonna cough up the money for it?

>Would it crush the machine’s we’re using to explore depth?

Nah, not if they’re unmanned.

>Would the pressure affect a human inside an exploring machine if the machine itself is strong enough to withstand the outside pressure, if so how?

Nope. If the craft is kept at atmospheric pressure, a person wouldn’t be affected at all. But that’s an *insane* amount of pressure the craft would have to withstand. Like several hundred kilograms *per square centimeter*.

>Would a full can of coke collapse if we would bring it very deep in the ocean? If so, how?

Not if its 100% full. But it isn’t. There’s always a bit of air in there. That air will be compressed to roughly the same pressure as the water pressure, and will therefore occupy a much smaller volume, and the only way to reduce that volume is to crush the can.

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