Join Brian Greene, acclaimed physicist and author, in a visual and conceptual exploration of Einstein’s spectacular insights into space, time and energy. All the startling conclusions of special relativity, from time travel to E=mc2 come from one idea: the constancy of the speed of light. Take a wild ride into the deepest aspects of reality that defy everyday experience.

The Special Theory of Relativity - 00:05

Speed - 00:05:50

The Speed of Light - 00:18:23

Relativity of Simultaneity - 00:27:42

Time in Motion - 00:37:42

How Fast Does Time Slow? - 00:47:49

Time Dilation: Experimental Evidence - 01:05:31

The Reality of Past, Present, and Future - 01:14:37

Time Dilation: Intuitive Explanation - 01:28:38

Motion's Effect on Space - 01:32:34

The Pole in the Barn: Quantitative Details - 01:49:48

The Twin Paradox - 02:10:39

Implications for Mass - 02:19:17

Special Relativity - 02:29:06