More on Foucault pendulum from Fact Monster:

• pendulum - pendulum pendulum, a mass, called a bob, suspended from a fixed point so that it can swing in an ...
• Jean Bernard Léon Foucault - Foucault, Jean Bernard Léon Foucault, Jean Bernard Léon , 1819–68, French ...
• Umberto Eco - Eco, Umberto Eco, Umberto , 1932–, Italian novelist, essayist, and scholar. His first novel, ...
• Umberto Eco - Biography of Umberto Eco, Author of The Name of the Rose
• Houston Landmarks - Find images and information about notable Houston landmarks, including the Holocaust Museum, Contemporary Arts Museum, the Museum of Fine Arts, and more.

See more Encyclopedia articles on: Astronomy: General