Reference Terms
from Wikipedia, the free encyclopedia

Light

Light is electromagnetic radiation with a wavelength that is visible to the eye (visible light) or, in a technical or scientific context, electromagnetic radiation of any wavelength.

Note:   The above text is excerpted from the Wikipedia article "Light", which has been released under the GNU Free Documentation License.
Related Stories
 

Share This Page:


Matter & Energy News
August 2, 2015

Latest Headlines
updated 12:56 pm ET