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Path tracing is a realistic lighting algorithm that simulates light bouncing around a scene.
A spatial representation of every star within 14 light-years of the Solar System in orthographic projection.
Cool Interactive Sites
"Falling Sand Game", also "World of Sand", (2005) is a Java applet first found on the Dofi Blog via Fark thread, later enlarged and rehosted by Chirag Mehta. The game has been popular on community link sites like Digg and Delicious and involves four main falling particles: sand, water, salt, and oil. Each of these particles have special properties that can be manipulated; among these include burning, desiccating, growing, eroding, and more.
This is a grenade WebGL is required! This toy uses the latest web technology. If you're using Safari, try simply selecting "Enable WebGL" under the "Develop" menu at the top. If you are still seeing this message, try restarting your browser or try using the latest version of Google Chrome or Firefox .
Project Random Seed Generator This is an unused off-cut from the Mulberry Love Blossoms project, commissioned in conjunction with Ross Phillips.
A little more detail: What makes this simulation special is the speed at which everything is computed.