Not directly related to the article, but let me mention a patch for Quake II my brother wrote a while ago, which creates another kind of 3D illusion using red-b

Not directly related to the article, but let me mention a patch for Quake II my brother wrote a while ago, which creates another kind of 3D illusion using red-blue glasses: http://www.jfedor.org/red-blue-quake2/ http://www.jfedor.org/red-blue-quake2/