The candela (symbol: cd) is the unit of luminous intensity in the International System of Units (SI). It measures luminous power per unit solid angle...
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Battlefield illumination is technology that improves visibility for military forces operating in difficult low-light conditions. The risks and dangers...
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Lighting (redirect from Illumination (lighting))
Lighting or illumination is the deliberate use of light to achieve practical or aesthetic effects. Lighting includes the use of both artificial light sources...
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Vienna: CIE - International Commission on Illumination. ISBN 978-3-902842-23-7. "Base unit definitions: Candela". The NIST Reference on Constants, Units...
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specific size and constituents. The historical candlepower is equal to 0.981 candelas. In modern usage, candlepower is sometimes used as a synonym for candla...
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measurement for the importance of this contrast). The SI unit for luminance is candela per square metre (cd/m2). A non-SI term for the same unit is the nit. The...
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The Bacardi buildings of Ludwig Mies van der Rohe and Felix Candela are located in the Greater Mexico City, Mexico. This site was added to the UNESCO...
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inside surface of a one-foot-radius sphere with a point source of one candela at its center. Alternatively, it can be defined as the illuminance of one...
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Flare (section Illumination)
intense heat without an explosion. Flares are used for distress signaling, illumination, or defensive countermeasures in civilian and military applications....
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Although electric light has largely made candle use nonessential for illumination, candles are still commonly used for functional, symbolic and aesthetic...
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light present, and the illuminance as a measure of the intensity of illumination on a surface. A given amount of light will illuminate a surface more...
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as the luminous flux of light produced by a light source that emits one candela of luminous intensity over a solid angle of one steradian. 1 lm = 1 ...
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Light meter (section Use in illumination)
footcandles are the common units for visible light, but so are Candelas, Lumens, and Candela per square meter. In the realm of disinfection, UVC is typically...
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Automotive lighting (section Forward illumination)
emit white light with an intensity of at least 400 candela on axis and no more than 1200 candela in any direction. In the US, daytime running lights...
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mirror, reflecting a carbon arc discharge. Peak output was 800,000,000 candela. It was powered by a 15 kW generator and had an effective beam visibility...
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2019 revision of the SI (section Candela)
and the Avogadro constant (NA), respectively. The second, metre, and candela had previously been redefined using physical constants. The four new definitions...
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Metric system (section Candela and Watt relationship)
that 0 K is absolute zero, and the candela, which is roughly equivalent to the international candle unit of illumination – were introduced. Later, another...
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150-centimeter-diameter parabolic glass reflectors with an output of 990 million candelas. The system was powered by a 24-kilowatt generator, based around a 51-horsepower...
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device used in the Battle of the Atlantic. It was a powerful (22 million candelas) carbon arc searchlight of 24 inches (610 mm) diameter fitted to a number...
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Retrieved 7 December 2015. Nakamura, S.; Mukai, T.; Senoh, M. (1994). "Candela-Class High-Brightness InGaN/AlGaN Double-Heterostructure Blue-Light-Emitting-Diodes"...
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square root of (the beam intensity in candelas divided by 0.25 lux); for example, a beam intensity of 1000 candelas produces a working range rating of the...
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light sources, including electrical (or rarely gas) lighting used for illumination and advertisement and from gas flares. Light propagating into the atmosphere...
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burns for 30 seconds while producing 650,000 candela, providing a 400 to 500 m diameter area of illumination. FFV551 is the primary HEAT round and is a...
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28, 2021. "2022 Illumination Awards". IES Illumination Awards. IES. Retrieved June 9, 2023. "2021 Illumination Awards". IES Illumination Awards. IES. Retrieved...
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constants, including Kcd (used in the definition of candela) There are special cases of illumination involving wavelengths of light that are outside the...
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ILL-VIS Mk2, visible spectrum illumination bomb, 350.000 candela for 35 seconds ILL-IR Mk2, infrared spectrum illumination bomb, 35 seconds duration All...
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Electric Co. of Harrison, New Jersey. Each socket accepted a miniature two-candela carbon-filament lamp. The first recorded uses of Christmas lights on outdoor...
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Bicycle lighting is illumination attached to bicycles whose purpose above all is, along with reflectors, to improve the visibility of the bicycle and its...
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constant. The number 683 is connected to the modern (1979) definition of the candela, the unit of luminous intensity. This arbitrary number made the new definition...
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first investors in Tory Burch. Other investments in the sector included Candela, Fashion Tech Forum, Jack Rogers, Soludos, and Bikyni. In 2015, he launched...
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