Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsBall in a Boxhttp://demonstrations.wolfram.com/BallInABox/]]>http://demonstrations.wolfram.com/BallInABox/Cube-in-a-Sphere Illusionhttp://demonstrations.wolfram.com/CubeInASphereIllusion/]]>http://demonstrations.wolfram.com/CubeInASphereIllusion/Nested Regular Polygonshttp://demonstrations.wolfram.com/NestedRegularPolygons/]]>http://demonstrations.wolfram.com/NestedRegularPolygons/Regular Polygonshttp://demonstrations.wolfram.com/RegularPolygons/]]>http://demonstrations.wolfram.com/RegularPolygons/Cone, Tent, and Cylinderhttp://demonstrations.wolfram.com/ConeTentAndCylinder/]]>http://demonstrations.wolfram.com/ConeTentAndCylinder/Polyhedra, Spheres, and Cylindershttp://demonstrations.wolfram.com/PolyhedraSpheresAndCylinders/]]>http://demonstrations.wolfram.com/PolyhedraSpheresAndCylinders/Geometrical Dollhttp://demonstrations.wolfram.com/GeometricalDoll/]]>http://demonstrations.wolfram.com/GeometricalDoll/