eli5: when people explore the ocean, specifically the challenger deep explorers, how do they adjust the pressure change when they get back up? they seem normal after coming back from like pressure 8 tonnes per square inch.
In: Physics
The submarines used in deep ocean/ oceanic floor level are rigid enough to maintain 1 atmosphere inside the cabin (where people are), regardless of outside pressure. If you were among the crewmembers for a deep sea expedition you would feel no different from beeing, let’s say, on your boat.
The pressure becomes a problem for divers. Esentially people that have minimal protection from the water pressure. They do need to take surfacing in a slow manner, in order to avoid decompressure sickness. They stop for a few seconds/a few minutes at certain points of depth so their body and (if it’s the case) air tank can ajust pressure-wise.
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