Visualization

C-Ship
A short overview of special relativity, filled with relativistic ray traced images. Explains relativistic effects using a theoretical spaceship.
http://www.fourmilab.ch/cship/

Interactive Visualization of Gravitation as Spacetime Curvature
Interactive Flash animation of a smaller test mass in the gravitational field of a larger mass, following the laws of general relativity. The animation uses an unusual form of representation in which time is bent into a circle.
http://www.adamtoons.de/physics/gravitation.swf

OpenGL Relativistic Spacetime Project
A real time relativity simulator for Windows, Linux and OS/2, using OpenGL.
http://spacetime.sourceforge.net/

Relativistic Flight Simulation
A collection of links to various programs which simulate the effects of relativity
http://ourworld.compuserve.com/homepages/anima/rfslink.htm

Relativistic Physics of Space Flight Simulator
Software which demonstrates the effects of special and general relativity as the user steers a simulated spaceship through the solar system, through interstellar and intergalactic space. Requires Windows 98 or Windows XP.
http://www.relspace.astahost.com

Relativistic Ray Traced Images
Features visualization of relativistic deformation effects of a spaceship like object.
http://www.fourmilab.ch/cship/cship.html

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.
http://hexadecimal.uoregon.edu/relativity/index.html

Visualization of the Theory of Relativity
Online papers, images, movies and paper models.
http://www.spacetimetravel.org/

Warp Special Relativity Simulator
A windows program to show you the weird effects of special relativity.
http://www.adamauton.com/warp/