The Foucault Pendulum: Unveiling Earth鈥檚 Rotation 馃寧 The Foucault Pendulum is a visual demonstration of the Earth鈥檚 rotation. Named after Jean Bernard Leon Foucault, the French physicist who invented it, the Foucault Pendulum was first exhibited in 1851 at the World鈥檚 Fair in Paris Throughout the day, the direction of the pendulum鈥檚 swing appears to change. Actually, Earth is turning under the pendulum as it swings. At Houston鈥檚 latitude (30掳 N.) the pendulum will precess through 180掳 or halfway
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The Foucault Pendulum: Unveiling Earth鈥檚 Rotation 馃寧 The Foucault Pendulum is a visual demonstration of the Earth鈥檚 rotation. Named after Jean Bernard Leon Foucault, the French physicist who invented it, the Foucault Pendulum was first exhibited in 1851 at the World鈥檚 Fair in Paris Throughout the day, the direction of the pendulum鈥檚 swing appears to change. Actually, Earth is turning under the pendulum as it swings. At Houston鈥檚 latitude (30° N.) the pendulum will precess through 180° or halfway
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