The Foucault pendulum which was displayed for many years in the Smithsonian's National Museum of American History was removed in late 1998 to make room for the Star-Spangled Banner Preservation ...
Called a Foucault (pronounced “foo-KOH”) pendulum after its designer, French physicist Léon Foucault, the device was conceived in 1851 to demonstrate the rotation of the Earth. This pendulum ...
50). He says “in the Foucault experiment of the pendulum which shows the rotation of the earth, the slightest current of air will destroy and reverse the desired motion; so that it is advisable ...
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