Bathysphere
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A bathysphere is a spherical deep-sea diving submersible which is lowered into bodies of water with a cable. Bathyspheres have a variety of uses, usually including the study of underwater life.
At extreme depths, the cable becomes unmanageable. Deeper dives must be performed by self-propelled vehicles such as a bathyscaphe.
The term bathysphere is composed from the Greek words βάθος (bathys), "depth" og σφαίρα (sphaira), "sphere".
The first bathysphere was built by Otis Barton and William Beebe in 1930.
References
- Brad Matsen. Descent - The Heroic Discovery of the Abyss. Pantheon Books. (2005).
See also
External links
- An article about deep sea explorer William Beebe (http://www.pbs.org/wgbh/amex/ice/sfeature/beebe.html)