Thursday, November 6, 2008

Wording Congratulation Card Engagement

05 LAMPS

addition to the sun are the main sources of light bulbs.
Mainly there are two types of lamps: incandescent bulbs and those discharged.
The first are the traditional light bulbs with the filament, electrical current passes through, it becomes incandescent and emits reddish light.
This type of light that is hot.

The others are like lightning. Is generated inside the glass tube of a discharge lamp that produces ultraviolet radiation (invisible) that react with a special "paint" that turns fluorescent in ultraviolet radiation in the visible spectrum bluish.
This type of light is called a cold.


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