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How does a diving bell work?


Photos.com/© Getty Images
Photos.com/© Getty Images

About 2,400 years ago Aristotle mentions the use of diving bells, apparatuses that convey divers to the bottom of the sea -- or at least below the surface of the water -- and allows them to breathe -- at least until the air runs out. Learn about the physics of this clever and ancient invention and how it's been used to sabotage enemy boats and build the Brooklyn Bridge.

Topics in this Podcast: Chuck, howstuffworks, josh, Stuff You Should Know, physics