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Google Doodle Focuses On Foucault’s Pendulum

Suspended from the dome of the Pantheon in Paris in 1851, the pendulum designed by Léon Foucault was a first demonstration of the Earth’s rotation. Today it is the subject of a Google Doodle honoring the French physicist and his invention. The original Foucault’s Pendulum consisted of a steel ball hung 22 feet (6.7 meters)…