reduction of light intensity
1Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution …
2Light tube — This article is about light tubes used for the illumination of buildings. For other uses of the phrase light tubes , see Light tube (disambiguation). Light tubes Light tubes or light pipes are used for transporting or distributing natural or… …
3Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …
4Light effects on circadian rhythm — Numerous organisms maintain inherent individual rhythms to biological processes, known as circadian rhythms, that assist the organism in maintaining functional periodicity relative to the 24 hour day/night cycle of the earth. These rhythms are… …
5oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
6Incandescent light bulb — The incandescent light bulb, incandescent lamp or incandescent light globe is a source of electric light that works by incandescence, (a general term for heat driven light emissions which includes the simple case of black body radiation). An… …
7Double Island Point Light — Double Island Point Light, 2006 …
8Noise reduction — For sound proofing, see soundproofing. For scientific aspects of noise reduction of machinery and products, see noise control. Noise reduction is the process of removing noise from a signal. All recording devices, both analogue or digital, have… …
9Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
10Intense pulsed light — For other uses, see IPL (disambiguation). Human hair By type Lanugo · Androgenic Terminal  …
