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 ...

The first Foucault’s pendulum I ever saw was at the Franklin Institute in Philadelphia, the city where I was born. The pendulum hung in a stairwell. Its wire was attached to the ceiling four stories ...

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 ...

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 ...