Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsWindow Opacity Controlled by Cellular Automatahttp://demonstrations.wolfram.com/WindowOpacityControlledByCellularAutomata/]]>http://demonstrations.wolfram.com/WindowOpacityControlledByCellularAutomata/