Add Yahoo as a preferred source to see more of our stories on Google. Houston Museum of Natural Science's Herzstein Foucault Pendulum has stopped after decades, and museum visitors are wondering why.

In 1851, the French physicist Léon Foucault provided an experimental proof of the Earth’s rotation using a pendulum. Although Foucault is best known for this ingenious experiment, he also made several ...

__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 ...

Walk into nearly any science museum worth its salt and you're likely to see a Foucault pendulum, a simple but impressive device for observing the Earth's rotation. Such pendulums have been around for ...

French physicist Léon Foucault (1819–1868) is best known for developing the Foucault pendulum, a device that demonstrated once and for all that the Earth rotates. But he was also a master inventor, ...

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 ...

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 ...

Houston Museum of Natural Science's Herzstein Foucault Pendulum has stopped after decades, and museum visitors are wondering why. The pendulum at the museum is attached to a 61-foot-long cable. It ...

Foucault pendulums are a popular feature in science museums around the world. This one hangs out in the National Museum of Science and Technology in Milan, Italy. Photo: sylvar/Flickr __1851: __ Léon ...