Stuff You Should Know SYSK Selects: How Does a Diving Bell Work?
May 4, 2019
Dive into the fascinating world of diving bells, an invention dating back over 2,400 years that has played a crucial role in underwater exploration. Discover how Aristotle and Da Vinci contributed to this technology, along with its risky side effects, like the bends. Unravel the historical evolution of diving bells from the Renaissance, and hear about their use in building the Brooklyn Bridge. The discussion also touches on a gripping survival story of a diver and includes a humorous take on the film 'Sharknado,' blending education with entertainment.
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Early Diving Bell Use
- Diving bells were routinely used by the 1200s, with mentions dating back to Aristotle in the 4th century BC.
- Legends suggest Alexander the Great, Aristotle's student, used a diving bell, possibly even to inspect underwater work during the siege of Tyre.
Da Vinci's Diving Bell
- Leonardo Da Vinci sketched diving bell designs, showcasing his inventive mind.
- A simple diving bell functions like an inverted cup pushed underwater, trapping air inside.
Diving Bell Materials and Air
- Early diving bells were made from various materials like wood and iron, with heavier materials being preferred for stability.
- A key aspect of diving bells is their ability to maintain breathable air, but the volume decreases with depth.