- Sodium lights
- A type of high intensity discharge light that has the most lumens per watt of any light source.U.S. Dept. of Energy, Energy Information Administration's Energy Glossary
Energy terms . 2014.
Sodium lights
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Sodium Lights — A type of high intensity discharge light that has the most lumens per watt of any light source … Energy terms
sodium — so|di|um1 [ soudiəm ] noun uncount a chemical element that is a silver white metal, usually found combined with other chemicals sodium so|di|um 2 [ soudiəm ] adjective only before noun sodium lights produce a strong, bright, orange light … Usage of the words and phrases in modern English
sodium — I UK [ˈsəʊdɪəm] / US [ˈsoʊdɪəm] noun [uncountable] chemistry a chemical element that is a silver white metal, usually found combined with other chemicals II UK [ˈsəʊdɪəm] / US [ˈsoʊdɪəm] adjective [only before noun] sodium lights produce a strong … English dictionary
Sodium vapor lamp — A sodium vapor lamp is a gas discharge lamp which uses sodium in an excited state to produce light. There are two varieties of such lamps: low pressure and high pressure . Low pressure sodium Low pressure sodium (LPS) lamps, also known as sodium… … Wikipedia
Sodium vapor process — The sodium vapor process (occasionally referred to as yellowscreen) is a technique for combining actors and background footage, developed exclusively by The Walt Disney Company as an alternative to the more common bluescreen process.An actor is… … Wikipedia
High-Pressure Sodium Lamp — A type of High Intensity Discharge (HID) lamp that uses sodium under high pressure as the primary light producing element. These high efficiency lights produce a golden white color and are used for interior industrial applications, such as in… … Energy terms
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History of street lighting in the United States — The use of street lighting was first recorded in the Arab Empire from the 9th 10th centuries, [Fielding H. Garrison, History of Medicine :quote| The Saracens themselves were the originators not only of algebra, chemistry, and geology, but of many … Wikipedia
Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible … Wikipedia
Electric light — Most of the industrialized world is lit by electric lights, which are used both at night and to provide additional light during the daytime. These lights are normally powered by the electric grid, but some run on local generators, and emergency… … Wikipedia
