Once upon a time, you were probably on an elementary school field trip at a science museum or an observatory. Just before lunch, your teacher had the class stand in a circle around an enormous weight ...

It's called a Foucault Pendulum. They have a beautiful one at the California Academy of Sciences in Golden Gate Park, to show that the Earth rotates. Each time my family goes to the museum we make it ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

__1851: __ Léon Foucault uses a pendulum to demonstrate the rotation of the Earth. It is the first direct visual evidence not based on watching the stars circle in the sky. Jean Bernard Léon Foucault ...

A replica of Foucault's famous experiment at the Museo Nazionale della Scienza e Tecnica in Milan, Italy Wikimedia Commons On February 3, 1851, a 32-year-old Frenchman—who’d dropped out of medical ...

Happy birthday, Jean Bernard Leon Foucault, and thanks for the pendulum. The French physicist and inventor was born in Paris on this day in 1819. It may be hard to fathom, but the idea of Earth ...

A Foucault pendulum, or Foucault's pendulum, named after the French physicist Leon Foucault, was conceived as an experiment to demonstrate the rotation of the Earth; its action is a result of the ...

The Foucault pendulum which was displayed for many years in the Smithsonian's National Museum of American History was removed in late 1998 to make room for the Star-Spangled Banner Preservation ...