Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsPeriscopehttp://demonstrations.wolfram.com/Periscope/]]>http://demonstrations.wolfram.com/Periscope/Color-Word Gamehttp://demonstrations.wolfram.com/ColorWordGame/]]>http://demonstrations.wolfram.com/ColorWordGame/Animal Soundshttp://demonstrations.wolfram.com/AnimalSounds/]]>http://demonstrations.wolfram.com/AnimalSounds/Ray Absorberhttp://demonstrations.wolfram.com/RayAbsorber/]]>http://demonstrations.wolfram.com/RayAbsorber/Touch Toneshttp://demonstrations.wolfram.com/TouchTones/]]>http://demonstrations.wolfram.com/TouchTones/