Seeing the Earth Move Michael Hagner

In 1851, the physicist Leon Foucault performed an unforgettable experiment. By suspending a large pendulum inside the dome of Paris' Pantheon, Foucault provided the first simple, direct empirical evidence of the Earth's rotation—an undeniable demonstration of heliocentrism. This experiment, conducted long after the Copernican Revolution and using a laboratory apparatus rather than astronomical observation, visually confirmed what had previously been...