The Cactus Code - A modular manageable high-performance 3D tool for Numerical Relativity.

Numerical Relativity Exhibitions - What if you take a supercomputer and put it to work on Einstein's theory of relativity? You'll get an incredible series of images representing black holes, gravity and Einstein's equations. This is what happens at the "Numerical Relativity Exhibition", a site from the National Center for Supercomputing Application. Take a peek at this trip into the heart of the universe.

Relativistic Starflight - The program xrel depicts, as realistically as possible, the appearance of stars as seen from a starship moving at speeds close to the speed of light.