Optics is the study of the properties and behavior of light. In this section you can learn about everything from holograms to lasers and lenses.

How Holograms Work

If you want to see a hologram, you don't have to look much farther than your wallet. But the most impressive holograms are large scale and illuminated with lasers or displayed in a darkened room with carefully directed lighting. Learn how a hologram, light and your brain work together make clear, 3-D images.

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  • White


    White, the color of a substance that reflects all the colors of sunlight. It can also be produced by a mixture, in equal proportions, of the optical primaries because these colors (violet-blue, green, and orange-red) can be combined to produce all other colors. See more »

  • Yellow


    Yellow, one of the pigment primary colors. Yellow occurs between green and orange in the solar spectrum. See more »

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