Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsConstruction Based on Kepler's Mysterium Cosmographicumhttp://demonstrations.wolfram.com/ConstructionBasedOnKeplersMysteriumCosmographicum/]]>http://demonstrations.wolfram.com/ConstructionBasedOnKeplersMysteriumCosmographicum/Ballistic Trajectorieshttp://demonstrations.wolfram.com/BallisticTrajectories/]]>http://demonstrations.wolfram.com/BallisticTrajectories/On the Ewing Model of Magnetism 2http://demonstrations.wolfram.com/OnTheEwingModelOfMagnetism2/]]>http://demonstrations.wolfram.com/OnTheEwingModelOfMagnetism2/Four-Color Mapshttp://demonstrations.wolfram.com/FourColorMaps/]]>http://demonstrations.wolfram.com/FourColorMaps/The Ulam Prime Spiralhttp://demonstrations.wolfram.com/TheUlamPrimeSpiral/]]>http://demonstrations.wolfram.com/TheUlamPrimeSpiral/Simulation of Pythagorean Cuphttp://demonstrations.wolfram.com/SimulationOfPythagoreanCup/]]>http://demonstrations.wolfram.com/SimulationOfPythagoreanCup/Van Vleck's Model of the Helium Atom in the Old Quantum Theoryhttp://demonstrations.wolfram.com/VanVlecksModelOfTheHeliumAtomInTheOldQuantumTheory/]]>http://demonstrations.wolfram.com/VanVlecksModelOfTheHeliumAtomInTheOldQuantumTheory/Universal Sundialhttp://demonstrations.wolfram.com/UniversalSundial/]]>http://demonstrations.wolfram.com/UniversalSundial/Geometry of Gregorian Telescopehttp://demonstrations.wolfram.com/GeometryOfGregorianTelescope/]]>http://demonstrations.wolfram.com/GeometryOfGregorianTelescope/The Universe in a Popup Bookhttp://demonstrations.wolfram.com/TheUniverseInAPopupBook/]]>http://demonstrations.wolfram.com/TheUniverseInAPopupBook/3D Zoetropehttp://demonstrations.wolfram.com/3DZoetrope/]]>http://demonstrations.wolfram.com/3DZoetrope/Trebuchet Ballisticshttp://demonstrations.wolfram.com/TrebuchetBallistics/]]>http://demonstrations.wolfram.com/TrebuchetBallistics/Leonardo da Vinci's Helicopterhttp://demonstrations.wolfram.com/LeonardoDaVincisHelicopter/]]>http://demonstrations.wolfram.com/LeonardoDaVincisHelicopter/The Thomson Problem with Central Forceshttp://demonstrations.wolfram.com/TheThomsonProblemWithCentralForces/]]>http://demonstrations.wolfram.com/TheThomsonProblemWithCentralForces/Hourglasshttp://demonstrations.wolfram.com/Hourglass/]]>http://demonstrations.wolfram.com/Hourglass/Enumerating the Rational Numbershttp://demonstrations.wolfram.com/EnumeratingTheRationalNumbers/]]>http://demonstrations.wolfram.com/EnumeratingTheRationalNumbers/Da Vinci's Perpetual Wheelhttp://demonstrations.wolfram.com/DaVincisPerpetualWheel/]]>http://demonstrations.wolfram.com/DaVincisPerpetualWheel/Campanus's Spherehttp://demonstrations.wolfram.com/CampanussSphere/]]>http://demonstrations.wolfram.com/CampanussSphere/Rotating Pythagorashttp://demonstrations.wolfram.com/RotatingPythagoras/]]>http://demonstrations.wolfram.com/RotatingPythagoras/Volume and Surface Area of the Menger Spongehttp://demonstrations.wolfram.com/VolumeAndSurfaceAreaOfTheMengerSponge/]]>http://demonstrations.wolfram.com/VolumeAndSurfaceAreaOfTheMengerSponge/