Reference Terms
from Wikipedia, the free encyclopedia


Lighting refers to either artificial light sources such as lamps or to natural illumination of interiors from sunlight.

Lighting represents a major component of energy consumption, accounting for about 25 percent of all energy consumed worldwide.

Note:   The above text is excerpted from the Wikipedia article "Lighting", which has been released under the GNU Free Documentation License.
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Matter & Energy News
November 26, 2015

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updated 12:56 pm ET