Relatively Simple teaches you about Einstein's theory of special relatively.

Designed by Prof. Ira Rothstein and developed in conjunction with students at CMU's Entertainment Technology Center.

3 Different Sandboxes

Each teaches you a new aspect of Special Relativity!


See how the length of object changes as you move with respect to it.
See how it can be that one observer thinks two events are occurring at the same time but another (you) thinks otherwise.
Learn how, as you move faster, time passes more slowly for you at least when compared with the time of an inertial observer or someone at rest relative to you.

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