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Extras

    Video thumbnail: Science Trek D4K: The Web Show:  Light & Color

    Science Trek

    D4K: The Web Show: Light & Color

    What is light? What is color? Find out on this Science Trek: The Web Show.

    D4K: The Web Show: Light & Color

    Video thumbnail: Science Trek D4K: Light & Color Video Short

    Science Trek

    D4K: Light & Color Video Short

    Light is energy and color is a part of light.

    D4K: Light & Color Video Short

    Video thumbnail: Science Trek D4K: Light & Color: On Location

    Science Trek

    D4K: Light & Color: On Location

    Experiment with light in this Science Trek (D4K) on location.

    D4K: Light & Color: On Location

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