The Demo Scene never cease to amaze me. The technical quality of these demos is amazing – complex 3D scenes rendered real-time, procedural textures, real-time sound synthesis, and incredible low foot-prints.
Recently I stumbled upon demoscene.tv which features recorded videos (flash video) of many of the best demos. Of course part of the fun is actually running these demos, to be amazed that they are indeed real-time, but sadly my laptop is not geared towards neither CPU or GPU intensive activities.
A few selected demos: