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Reference Terms
from Wikipedia, the free encyclopedia


Optics is a branch of physics that describes the behavior and properties of light and the interaction of light with matter.

The field of optics usually describes the behavior of visible, infrared and ultraviolet light.

Note:   The above text is excerpted from the Wikipedia article "Optics", which has been released under the GNU Free Documentation License.
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Matter & Energy News
February 20, 2017

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updated 12:56 pm ET