Foucault pendulum sharing the rotation of the earth about its own axis, the suspension point of the pendulum traces out a circular path during one sidereal day. At the latitude of Paris, 48 degrees 51 minutes north, a full precession cycle takes just under 32 hours, so after one sidereal day, when the Earth is back in the same orientation as one sidereal day before, the oscillation plane has turned by just over 270 degrees. If the plane of swing was north-south at the outset, it is east-west one sidereal day later. This also implies that there has been exchange of momentum;
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