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.

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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.