The VRML Gallery of Physics includes two modules written by Rob Salgado, Electromagnetism and a Light Cone. The Gallery of Electromagnetism features 15 sections of principles including unit vectors, charged spheres, Faraday Law, and line integrals. The Light Cone is an introduction to relativity. Included in the module are an introduction and sections on primeval, special, and general relativity. NASA Image Exchange NIX contains over 300,000 National Aeronautics and Space Administration images from eight research centers.
Users can search the database via three methods.
The first method, Browse, allows users to search through seven categories of images including aeronautics, information systems, and space. In the second method, Options, users select which research centers' databases to examine and the maximum allowable number of hits, images to display, pages, and response time. Research centers linked to NIX include Ames, Johnson, and Langley.