Last Updated
：2025/11/20
Foucault's pendulum
Noun
Japanese Meaning
長いワイヤーに吊るされた振り子で、どの方向にも自由に動ける。地球の自転により、振り子が振動する平面が変化（北半球では時計回りに回転しているように見える）する現象を示す装置。 / フーコーの振り子。地球の自転を視覚的に実証するための実験装置。
（ plural ）
Quizzes for review
A pendulum on a long wire, free to move in any direction; the plane of its motion appears to turn (clockwise in the Northern Hemisphere) as the world turns beneath it.
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Foucault's pendulum
At the science museum, Foucault's pendulum slowly traced the Earth's rotation, mesmerizing visitors.
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At the science museum, Foucault's pendulum slowly traced the Earth's rotation, mesmerizing visitors.
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English - English
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