Earth's rotation Foucault in 1851, which consisted of a lead-filled brass sphere suspended from the top of the Panthéon in Paris. Because of the Earth's rotation under the swinging pendulum, the pendulum's plane of oscillation appears to rotate at a rate depending on latitude. At the latitude of Paris the predicted and observed shift was about clockwise per hour. Foucault pendulums now swing in museums around the world. Earth's rotation period relative to the Sun (solar noon to solar noon) is its "true solar day" or "apparent solar day". It depends on the Earth's orbital motion and is thus affected by changes
Foucault's Pendulum in "Faith In Fakes", reminiscent of the episode in the novel. He also describes French ethnologist Roger Bastide who bears a resemblance to the character of Agliè. Eco's novel was also a direct inspiration on Charles Cecil during the development of Revolution Software's highly successful point and click adventure game "", in which an American tourist and a French journalist must thwart a conspiracy by a shadowy cabal who model themselves on the Knights Templar. Foucault's Pendulum Foucault's Pendulum (original title: "Il pendolo di Foucault" ) is a novel by Italian writer and philosopher Umberto Eco. It was first published