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?
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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.
Think about diving into the ocean this way: you are laying in bed covered by a blanket. Every foot you dive deeper is like adding another blanket on top of you. Initially, you don’t notice the added weight, but as you go deeper/add more blankets the weight starts to push down on you, eventually add enough blankets and the weight becomes unbearable.
The pressure at the depths you are talking about is enough to crush machines, submarines, and certainly a can of coke. The liquid in the can of coke is not being compressed, it’s the aluminum can. Eventually then pressure being exerted on it is enough to cause the can to crush.
We have built a structure which can withstand the greatest pressure in the oceans https://en.wikipedia.org/wiki/Bathyscaphe but the oceans are huge and a vessel can only move a relatively short distance so discovering what is down there is slow and expensive.
Liquid can be compressed but much less than a gas. Double the pressure on a gas and its volume halves. Even at the deepest part of the ocean, water is only compressed by 5%. This would be enough to compress a coke can, even ignoring the fact that full cans contain some air.
The deeper you go in the ocean, the more water pressure there is. At a certain point, the water pressure is so great that it crushes anything that tries to go deeper.
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