what is a luminary
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- The definition of a luminary is an object giving off light, or a personality that is well known or enlightening to mankind. An example of a luminary is a candle.
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- 2. the SI unit of luminous flux; it is the light emitted in a unit solid angle by a uniform point source with luminous intensity of one candela .lu´minal. residual lumen the remains of Rathke's pouch, between the distal and intermediate parts of the pituitary gland.
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- Ads by Google. Bank PO's salary or Bank Probationary officer's starting salary in most of public sector banks and even in some private banks is same. The latest revision of salary of Bank PO / Bank Probationary officers has taken place wef 1st November, 2012 (The final agreement has been signed only on 25th May, 2015) .hat is the total salary of a Bank PO / Probationary Officer / Management Trainee (Starting salary of newly appointed PO) : The above indicates that the total salary of a probationary officer on joining at a metro station will be around Rs.37145/-.
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Light fixture Ceiling light fixtures. A light fixture (US English), light fitting (UK English), or luminaire is an electrical device used to create artificial light by use of an electric lamp. All light fixtures have a fixture body and a light socket to hold the lamp and allow for its replacement. Fixtures may also have a switch to control the light. Fixtures require an electrical connection to a power source; permanent lighting may be directly wired, and moveable lamps have a plug.
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How does luminol work? Chemiluminescence is the emission of light that results from a chemical reaction that does not involve the production of heat or a flame. During the reaction, the reactants (in this case luminol and hydrogen peroxide) react with the iron from the blood.
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- Johnny Ludlow, Fourth Series Mrs. Henry Wood. Dawson of Sedburgh was a luminary better known than ever Dr. Watson was, by mathematicians both foreign and domestic. The Collected Writing of Thomas De Quincey, Vol. II Thomas De Quincey. This island was in that age the luminary of the Caledonian regions. The Every Day Book of History and Chronology Joel Munsell. The screen immediately below the horizon intercepts the image of the luminary below that line. Magic, Stage Illusions and Scientific Diversions Including Trick Photography Albert A. Hopkins. In the days of creation it should have been suspended as the only luminary in the firmament.
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Dementor —Remus Lupin to Harry Potter. A Dementor is a Dark creature, considered one of the foulest to inhabit the world. Dementors feed off human happiness, and thus cause depression and despair to anyone near them.
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luminaria Luminaria is a fairly recent addition to English; the earliest known use in our language dates from 1949, about the time that the old Mexican Christmas custom was gaining popularity among Anglo-Americans. In some parts of the U.S., particularly New Mexico, these festive lanterns are also called farolitos, which means little lanterns in Spanish.
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Light fixture A large number of light fixtures and lamps at a store. A light fixture (US English), light fitting (UK English), or luminaire is an electrical device used to create artificial light by use of an electric lamp. All light fixtures have a fixture body and a light socket to hold the lamp and allow for its replacement.
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light-emitting diode (LED) Part of the Electronics glossary: Also see laser diode. A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it. The light is not particularly bright, but in most LEDs it is monochromatic, occurring at a single wavelength. The output from an LED can range from red (at a wavelength of approximately 700 nanometers) to blue-violet (about 400 nanometers).
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- Lumina is an uncommon given name for females. Lumina is also a unique surname for both adults and children. (2000 U.S. Census). Displayed below is the birth name popularity of Lumina for girls. Lumina has yet to be listed in the list so far.
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Luminaria The American Cancer Society's Relay for Life fundraising events which are held all over the U.S. feature luminaria ceremonies. Luminarias are placed around the track and some relay events spell out HOPE in stadium stands with luminarias.
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luminary The definition of a luminary is an object giving off light, or a personality that is well known or enlightening to mankind. 1  An example of a luminary is a candle.  An example of a luminary is the Dalai Lama.
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Background on LED Lamp Market Without question LEDs (Light Emitting Diodes) are fast replacing incandescent lamps in the landscape lighting world. An LED is a solid state semiconductor that emits light when an electrical current is passed through it.
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- From Wikipedia, the free encyclopedia. A celestial body, as the sun or moon or an object that gives light; or, a person of eminence or brilliant achievement. From Old French luminarie or late Latin luminarium, from Latin lumen, lumin- ‘light’. Luminary may refer to:
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Projector Camera obscura (Latin for dark room) is the natural optical phenomenon that occurs when an image of a scene at the other side of a screen (or for instance a wall) is projected through a small hole in that screen and forms an inverted image (left to right and upside down) on a surface opposite to the opening.
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Lamps Components of a luminaire, such as reflectors and diffusers, absorb some of the light from the lamps(s). A highly efficient luminaire emits most of the light that the lamp(s) emits. Lux (LX) - The metric unit of measure for illuminance of a surface. One lux is equal to one lumen per square meter.
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It's okay. We're afraid of the dark, too. Lighting. Lighting is what turns your home into a place for doing things you love – whether it's reading a book, preparing dinner or getting cozy on the sofa. That’s why you'll find so many ways to make your home a little brighter – and energy efficient ways of keeping it that way.
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- Control of Intensity. 1  Apart from the repertoire of luminaires, the most important tool at the disposal of the lighting designer is The Dimmer. 2  This has a number of functions: 3  The dimmer is a device which is either 4  : • inserted in series with the load.
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Light fixture A light fixture (US English), light fitting (UK English), or luminaire is an electrical device used to create artificial light by use of an electric lamp. All light fixtures have a fixture body and a light socket to hold the lamp and allow for its replacement. Fixtures may also have a switch to control the light. Fixtures require an electrical connection to a power source; permanent lighting may be directly wired, and moveable lamps have a plug.
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What are Lumens? Think of lumens as a new way of knowing how bright a lamp is. Lumens = Light Output. In simple terms, Lumens (denoted by lm) are a measure of the total amount of visible light (to the human eye) from a lamp or light source. The higher the lumen rating the “brighter” the lamp will appear. We have all bought 50W or 60W conventional bulbs or spotlights in the past expecting a certain level of brightness.
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LED lamp An LED lamp is an electric light or light bulb for use in light fixtures that produces light using light-emitting diodes. LED lamps have a lifespan and electrical efficiency which are several times greater than incandescent lamps, and are significantly more efficient than most fluorescent lamps, with some chips able to emit more than 300 lumens per watt. The LED lamp market is projected to grow by more than twelve-fold over the next decade, from $2 billion in the beginning of 2014 to $25 billion in 2023, a compound annual growth rate (CAGR) of 25%. As of 2016, LEDs use only about 10% of the energy an incandescent lamp requires.
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What is a Lumen? A lumen is a unit of standard measurement used to describe how much light is contained in a certain area. It is part of a group of standard measurements known as the photometry group, which measure different aspects of light. This group also includes such units as the candela, which measures luminance, and the lux, which measures illuminance.
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- In simple terms, Lumens (denoted by lm) are a measure of the total amount of visible light (to the human eye) from a lamp or light source. The higher the lumen rating the “brighter” the lamp will appear.
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LIGHTING FUNDAMENTALS The following is a listing of some of the common luminaire types: 1  general illumination fixtures such as 2x4, 2x2, & 1x4 fluorescent troffers. 2  downlights. 3  indirect lighting (light reflected off the ceiling/walls) 4  spot or accent lighting. 5  task lighting. 6  outdoor area and flood lighting.
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When should you call yourself a senior developer? [duplicate] When looking at software engineers I see 4 tiers of skills: Luminary, Senior, Mid-Level and Junior. Luminary (10+ years) is one who has mastered a skill and has set about improving their respective discipline. Some examples include: Ted Neward, Uncle Bob Martin, Donald Knuth, Oren Eini, Peter Norvig, Linus Torvalds.