What are the benefits of using a bathyscaphe instead of a diving bell?

What are the drawbacks of a bathyscaphe?

As the water is removed, the density of the submarine decreases, and the submarine surfaces. The problem with this approach for an underwater vehicle is that the ballast tanks must be built sturdy enough to ensure that the pressure outside the tanks cannot crush them. This means big, heavy, and expensive tanks.

How is a bathyscaphe different from a bathysphere?

is that bathysphere is a spherical steel deep-diving chamber with perspex windows, in which persons are lowered to the depths by a cable to study the oceans and deep-sea life; the precursor to the bathyscaphe while bathyscaphe is a self-propelled deep-sea diving submersible for exploring the ocean depths, consisting of …

Did Alexander the Great use a diving bell?

But that access has not come without human cost. The first account of diving bells comes from Aristotle in the 4th century B.C.E. Legend has it Aristotle’s pupil Alexander the Great went on to build “a very fine barrel made entirely of white glass” and used it in the Siege of Tyre in 332 B.C.E.

What is the deepest dive ever made?

The deepest dive on record is 1,082 feet (332 meters) set by Ahmed Gabr in 2014. That depth is the equivalent to approximately 10 NBA basketball courts aligned vertically. In terms of pressure, that’s about 485 pounds per square inch. Most people’s lungs would be crushed at that depth.

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What affected the view at the bottom for the submersible Trieste?

That year the two-person crew of the U.S. Navy submersible Trieste—still the only humans to have reached Challenger Deep—spent only 20 minutes at the bottom, their view obscured by silt stirred up by the landing (more on the Trieste dive).