Bathyspheres such as Alvin, the Bathyscaph, the Johnson Sea Link, and Nautile, are used for marine science research. Sometimes they are used to recover artifacts from shipwrecks, like the Titanic or the one shown in the photograph.
To learn more about bathyspheres:
1. Visit these Web sites. Bathyscaph and Alvin Johnson Sea Link and Nautile
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Bathyspheres such as Alvin, the Bathyscaph, the Johnson Sea Link, and Nautile, are used for marine science research. Sometimes they are used to recover artifacts from shipwrecks, like the Titanic or the one shown in the photograph.