Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsTrajectory of Foucault's Pendulumhttp://demonstrations.wolfram.com/TrajectoryOfFoucaultsPendulum/]]>http://demonstrations.wolfram.com/TrajectoryOfFoucaultsPendulum/