Pendulum Period Explained by Prof. Walter Lewin

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

Why This Pendulum Proves the Earth Is Spinning

Singular and Plural Words for Kids 🍎🍎🍎 | Easy English Learning Cartoon Animation

English Words Meaning 📚🗣️ #dailyenglish #englishlearning #spokenenglish