Tag Archives: Earth’s Rotation

1999: Understanding Earth’s Gradually Slowing Spin

The Earth's spin gradually slows due to factors like tidal friction, affecting timekeeping and necessitating the addition of leap seconds to UTC

1851: Foucault’s Pendulum – Demonstrating Earth’s Rotation

Jean Bernard Léon Foucault's 1851 experiment, using a simple pendulum, provided clear, observable proof of Earth's rotation. This groundbreaking demonstration, utilizing basic principles of physics, transformed our understanding of Earth's dynamics