Jcpenney Antique Chair experimentaluz @ 2009-11-15T17: 04:00

Light (from the Latin lux, lucis) is the kind of radiant electromagnetic energy that can be perceived by the human eye. In a broader sense, the term light includes the entire range of radiation called the electromagnetic spectrum.

science that studies the main ways of producing electricity, as well as control and applications, is called optical.




The lens is the part of physics that studies light and related phenomena, and their study begins when the man tries to explain the phenomenon of vision.

Different theories have been developed to interpret the nature of light to reach the current knowledge. The first contributionspaid straight to reach the object.

It would be nothing more than thirteen centuries before the Arab Ajas Basra (965-1039) believed that light was a bullet that came from the sun, bouncing off objects and of these the eye.

What is light?. The wise men of all ages have tried to answer this question. The Greeks assumed that the light emanating from objects, and was something of a "spectrum" of them, extremely subtle, to reach the observer's eye allowed him to see.

Thus the Greeks and the Egyptians were brought to the solution of these problems without adequate answers. Later in S. Europe XV to XVII, with the advances made by science and technology, its