Cartesian diver

Cartesian diver

English

Noun

Cartesian diver (plural Cartesian divers)

  1. A small, partially airfilled object, such as an eyedropper or glass tube, that is placed in a sealed container of water, which demonstrates the principle of buoyancy (Archimedes' principle) and the ideal gas law.
    Synonyms: bottle imp, Cartesian devil

Further reading

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