The Foucault pendulum is a simple device that demonstrates the Earth's rotation. Who made it?
Nicolaus Copernicus
Umberto Eco
Johannes Kepler
Léon Foucault
The pendulum was introduced in 1851 and was the first experiment to give simple, direct evidence of the Earth's rotation. Today, Foucault pendulums are popular displays in science museums and universities.
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Nicolaus Copernicus
Umberto Eco
Johannes Kepler
Léon Foucault
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