Interior view, Foucault Pendulum in the central rotunda of the National Museum of History and Technology, now known as National Museum of American History, with museum visitors.

Interior view, Foucault Pendulum in the central rotunda of the Museum of History and Technology, now known as National Museum of American History, with museum visitors.

In 1851, scientist Leon Foucault installed the Foucault pendulum within the building to demonstrate the rotation of the Earth.

Acclaimed Canadian EDM producer and DJ Rezz has announced her fifth studio album, previewed today by new single "Prophecy." As the Pendulum Swings arrives September 12 via Rezz's own label ...

The great tragedy of Israel ’s war on Gaza is the absence of a restraining political pendulum and the merging of Israeli political and military strategies.

SOME interesting readings of the bifilar pendulum, designed by Mr. Horace Darwin for measuring movements in the earth's surface, were made here at noon on the 9th inst. This instrument, which ...

The French physicist Léon Foucault (1819 - 1868) in 1851 could prove with the help of a long string pendulum (Foucault pendulum) and a fixed mass of the Earth's rotation in a pendulum experiment for ...

If you've been dreaming of a visit to the Eiffel Tower, Louvre Museum and Moulin Rouge, plan your trip with these expert recommendations for things to do in Paris.