Extras

    Video thumbnail: NOVA Einstein’s Thought Experiment

    NOVA

    Einstein’s Thought Experiment

    Your perception of time depends on how you are moving.

    Einstein’s Thought Experiment

    Video thumbnail: NOVA What is Spacetime?

    NOVA

    What is Spacetime?

    A mysterious concept changed the way we understand reality.

    What is Spacetime?

    Video thumbnail: NOVA Gravity's Effect on Spacetime

    NOVA

    Gravity's Effect on Spacetime

    Einstein's theory showed that time itself is affected by gravity.

    Gravity's Effect on Spacetime

    Video thumbnail: NOVA Inside Einstein's Mind Preview

    NOVA

    Inside Einstein's Mind Preview

    Retrace the thought experiments that inspired his theory on the nature of reality.

    Inside Einstein's Mind Preview