There are a bunch of cool simulations: http://gamelab.mit.edu/games/a-slower-speed-of-light/ http://gamelab.mit.edu/games/a-slower-speed-of-light/ http://www.

There are a bunch of cool simulations: http://gamelab.mit.edu/games/a-slower-speed-of-light/ http://gamelab.mit.edu/games/a-slower-speed-of-light/ http://www.spacetimetravel.org/ http://www.spacetimetravel.org/ http://realtimerelativity.org/ http://realtimerelativity.org/