The Snapping of Foucault’s Pendulum
In 1851, Leon Foucault demonstrated the Earth’s rotation to the world with a magnificent pendulum in the Paris Pantheon. In 2010, that pendulum crashed to the Musée des Arts et Métiers’ marble floor. The damage, as they say, is irreparable. Of course, a horribly dented brass bob—despite being busted up in three places—will still swing.…
