Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsLamé's Ellipsoid and Mohr's Circles (Part 2: Parallels)http://demonstrations.wolfram.com/LamesEllipsoidAndMohrsCirclesPart2Parallels/]]>http://demonstrations.wolfram.com/LamesEllipsoidAndMohrsCirclesPart2Parallels/Padovan's Spiral Numbershttp://demonstrations.wolfram.com/PadovansSpiralNumbers/]]>http://demonstrations.wolfram.com/PadovansSpiralNumbers/Random Closed Meandershttp://demonstrations.wolfram.com/RandomClosedMeanders/]]>http://demonstrations.wolfram.com/RandomClosedMeanders/Families of Figure-Eight Curveshttp://demonstrations.wolfram.com/FamiliesOfFigureEightCurves/]]>http://demonstrations.wolfram.com/FamiliesOfFigureEightCurves/Roulette: A Comfortable Ride on an n-gon Bicyclehttp://demonstrations.wolfram.com/RouletteAComfortableRideOnAnNGonBicycle/]]>http://demonstrations.wolfram.com/RouletteAComfortableRideOnAnNGonBicycle/Numerical Iso-Optic Curve of the Ellipsehttp://demonstrations.wolfram.com/NumericalIsoOpticCurveOfTheEllipse/]]>http://demonstrations.wolfram.com/NumericalIsoOpticCurveOfTheEllipse/Iso-Optic Curve of a Regular Polygonhttp://demonstrations.wolfram.com/IsoOpticCurveOfARegularPolygon/]]>http://demonstrations.wolfram.com/IsoOpticCurveOfARegularPolygon/Iso-Optic Curve of the Ellipsehttp://demonstrations.wolfram.com/IsoOpticCurveOfTheEllipse/]]>http://demonstrations.wolfram.com/IsoOpticCurveOfTheEllipse/Shortest Path between Two Points on a Spherehttp://demonstrations.wolfram.com/ShortestPathBetweenTwoPointsOnASphere/]]>http://demonstrations.wolfram.com/ShortestPathBetweenTwoPointsOnASphere/Arbitrary Curves of Constant Widthhttp://demonstrations.wolfram.com/ArbitraryCurvesOfConstantWidth/]]>http://demonstrations.wolfram.com/ArbitraryCurvesOfConstantWidth/The Four-Vertex Theoremhttp://demonstrations.wolfram.com/TheFourVertexTheorem/]]>http://demonstrations.wolfram.com/TheFourVertexTheorem/Noncircular Roller Drivehttp://demonstrations.wolfram.com/NoncircularRollerDrive/]]>http://demonstrations.wolfram.com/NoncircularRollerDrive/The Ellipsograph, a Mechanism for Constructing an Ellipsehttp://demonstrations.wolfram.com/TheEllipsographAMechanismForConstructingAnEllipse/]]>http://demonstrations.wolfram.com/TheEllipsographAMechanismForConstructingAnEllipse/Curves and Surfaces of Constant Widthhttp://demonstrations.wolfram.com/CurvesAndSurfacesOfConstantWidth/]]>http://demonstrations.wolfram.com/CurvesAndSurfacesOfConstantWidth/Holditch Curves inside an Ellipsehttp://demonstrations.wolfram.com/HolditchCurvesInsideAnEllipse/]]>http://demonstrations.wolfram.com/HolditchCurvesInsideAnEllipse/Phyllotaxis Explainedhttp://demonstrations.wolfram.com/PhyllotaxisExplained/]]>http://demonstrations.wolfram.com/PhyllotaxisExplained/Planetary Gear Trainhttp://demonstrations.wolfram.com/PlanetaryGearTrain/]]>http://demonstrations.wolfram.com/PlanetaryGearTrain/Route, Speed, and Acceleration of Your Mousehttp://demonstrations.wolfram.com/RouteSpeedAndAccelerationOfYourMouse/]]>http://demonstrations.wolfram.com/RouteSpeedAndAccelerationOfYourMouse/Rolling Cycloidal Curveshttp://demonstrations.wolfram.com/RollingCycloidalCurves/]]>http://demonstrations.wolfram.com/RollingCycloidalCurves/Cycloidal Gearshttp://demonstrations.wolfram.com/CycloidalGears/]]>http://demonstrations.wolfram.com/CycloidalGears/