The famous Titanic Submarine got crushed due to pressur, how comes the Titanic itself is (more or less) still in one piece?
In: Physics
A submarine has crushing water pressure on the outside and surface pressure air on the inside. This creates a massive pressure differential that wants to equalize, and the air is highly compressible and cannot push back against any ingress or hull failures.
A sunken ship has water on the outside *and* water on the inside, so there’s no pressure difference.
Various sealed bits (bottles, lightbulbs) and watertight bulkheads probably did rupture when the ship originally sank, but the main structure of the ship itself was already ruptured and filling with water when it went under.
The fact that the Titanic was full of water instead of air was kinda the original problem.
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