FACTOID # 8: Bookworms: Vermont has the highest number of high school teachers per capita and third highest number of librarians per capita.
 
 Home   Encyclopedia   Statistics   States A-Z   Flags   Maps   FAQ   About 
   
 
WHAT'S NEW
 

SEARCH ALL

FACTS & STATISTICS    Advanced view

Search encyclopedia, statistics and forums:

 

 

(* = Graphable)

 

 


Encyclopedia > List of light sources
A Common Household Light bulb
A Common Household Light bulb

This is a list of sources of light, including both natural and artificial sources, and both processes and devices. Image File history File links Download high resolution version (768x1276, 92 KB) Description: en: de: Glühlampe der Marke Neolux mit klarem Glaskolben. ... Image File history File links Download high resolution version (768x1276, 92 KB) Description: en: de: Glühlampe der Marke Neolux mit klarem Glaskolben. ... The light bulb is one of the most significant inventions in the history of the human race, illuminating the darkness of the evening and bringing light indoors at all times in order focus on the task at hand. ... This article does not cite any references or sources. ...

Contents

Natural

Our star, the Sun.
Our star, the Sun.
Lightning can be a spectacular source of illumination.

Image File history File links Download high resolution version (1024x768, 38 KB) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Download high resolution version (1024x768, 38 KB) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... This article is about the astronomical object. ... Sol redirects here. ... Image File history File links Lightnings_sequence_2_animation. ... Image File history File links Lightnings_sequence_2_animation. ... Not to be confused with lighting. ... Astronomical objects are significant physical entities, associations or structures which current science has confirmed to exist in space. ... This article is about the astronomical object. ... This article or section does not cite its references or sources. ... This article is about a celestial body. ... The Triangulum Emission Nebula NGC 604 lies in a spiral arm of Galaxy M33, 2. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... An accretion disc (or accretion disk) is a structure formed by material falling into a gravitational source. ... Bioluminescence is the production and emission of light by a living organism as the result of a chemical reaction during which chemical energy is converted to light energy. ... Photo of a glowworm on a stick. ... Species Various - see text Arachnocampa is a genus of four fungus gnat species which are, in their larval stage, glowworms. ... Genera about 30 genera The beetle family Phengodidae (LeConte, 1861) is known also as glowworm beetles or glowworms. ... For the science fiction television series, see Firefly (TV series). ... Binomial name Aequorea victoria (Murbach and Shearer, 1902) Aequorea victoria is a luminescent jellyfish found off the west coast of North America. ... Binomial name Dana, 1850 Antarctic krill are eaten by penguins(Euphausia superba) is a species of krill found in the Antarctic waters of the Southern Ocean. ... Binomial name Vibrio fischeri (Beijerinck 1889) Lehmann & Neumann 1896 Vibrio fischeri is a rod-shaped bacterium found globally in the marine environments. ... Not to be confused with lighting. ... Aurora borealis Aurora borealis The aurora is a glow observed in the night sky, usually in the polar zone. ... Prism splitting light High Resolution Solar Spectrum Sunlight in the broad sense is the total spectrum of the electromagnetic radiation given off by the Sun. ... Solar irradiance spectrum at top of atmosphere. ... Spectrum of blue sky clearly showing solar Fraunhofer lines and atmospheric water absorption band. ... Moonlight has several meanings: Moonlight is the light that is perceived as coming from the moon. ... This article is about the astronomical term. ... Comet Hale-Bopp Comet West For other uses, see Comet (disambiguation). ... For other uses, see Asteroid (disambiguation). ... Triboluminescence is an optical phenomenon in which light is generated via the breaking of asymmetrical bonds in a crystal when that material is scratched, crushed, or rubbed. ...

Direct chemical

Lightsticks Chemoluminescence (sometimes chemiluminescence) is the emission of light (luminescence) as the result of a chemical reaction. ... Three types of lightsticks in several colours A lightstick, also called a glowstick, is a transparent plastic tube which contains chemical fluids held apart in two compartments. ... Fluorescence induced by exposure to ultraviolet light in vials containing various sized Cadmium selenide (CdSe) quantum dots. ... Phosphorescent powder under visible light, ultraviolet light, and total darkness. ...

Combustion-based

See also: Combustion

This article is about the chemical reaction combustion. ... Argon flash is a method for generating very short and extremely bright flashes of light using a shock wave in argon or other suitable noble gas. ... Lit carbide lamp A French manufactured Carbide of Calcium lamp on a bicycle Carbide of Calcium lamp in a coal mine Carbide lamps also known as Acetylene Gas lamps are simple lamps that produce and burn acetylene gas (C2H2) which is created by the reaction of calcium carbide (CaC2) with... The Betty lamp is thought to be of German, Austrian, or Hungarian origin. ... Butter lamps at Tango Monastery in Bhutan Butter lamps are a conspicuous feature of Tibetan Buddhist temples and monasteries throughout the Himalayas. ... For other uses, see Candle (disambiguation). ... For other uses, see Fire (disambiguation). ... Gas lighting is the process of burning piped natural gas or coal gas for illumination. ... Swiss kerosene lamp. ... Stone lantern in a Chinese Garden A chōchin invites customers into an okonomiyaki restaurant in Japan A lantern is a portable lighting device used to illuminate broad areas. ... This article does not cite any references or sources. ... Antique bronze oil lamp with Christian symbol (replica) A terra-cotta oil lamp, Antique oil lamp (replica) An oil lamp is a simple vessel used to produce light continuously for a period of time from a fuel source. ... A Rushlight is a type of candle formed using the dried pith of the rush plant as its wick. ... Safety lamp is the name of a variety of lamps for safety in coal-mines against coal dust, methane, or firedamp, a highly explosive mixture of natural gas apt to accumulate in them. ... Davy lamp The Davy lamp is a candle containing safety lamp devised in 1815 by Humphry Davy. ... The Geordie lamp was invented by George Stephenson in 1815 as a solution to explosions due to firedamp in coal mines. ... This article is about portable open fires. ...

Electric

Arc lamps

Main article: Arc lamp

15 kW Xenon short-arc lamp. ... A Yablochkov candle (sometimes electric candle) is a type of electric carbon arc lamp, invented in 1876 by Pavel Yablochkov. ...

Incandescent lamps

See also: Incandescence

Molten glassy material glows orange with incandescence in a vitrification experiment. ... The carbon button lamp is a single-electrode incandescent lamp invented by Nikola Tesla during his effort to get around the Edison patent for the incandescent light bulb. ... Light bulb redirects here. ... For the Parliament song, see Flash Light (song). ... A Globar is a silicon carbide bar of 5 to 10 mm width and 20 to 50 mm length which is electrically heated up to 1800 to 3000 degrees Fahrenheit (equivalent to 982 to 1649 degrees Celsius or 1255 to 1922 Kelvin) with a downstream variable interference filter. ... Nernst lamp, complete, model B with cloche, DC-lamp 0. ...

Electroluminescent (EL) lamps

Main article: Electroluminescence

Animation of LCD, both unlit and with electroluminiscent backlight switched on Electroluminescence (EL) is an optical phenomenon and electrical phenomenon where a material emits light in response to an electric current passed through it, or to a strong electric field. ...

LED / semiconductor

“LED” redirects here. ... A 3. ... A polymer light-emitting diode is an electroluminescent polymer that emits light when subjected to an electric current. ... Solid State Lighting (SSL) refers to a type of lighting that utilizes light-emitting diodes (LEDs), organic light-emitting diodes (OLED), or polymer light-emitting diodes as sources of illumination rather than electrical filaments or gas. ... This article or section contains too much jargon and may need simplification or further explanation. ...

Gas discharge lamps

A standard houshold Compact fluorescent lamp.
A standard houshold Compact fluorescent lamp.
Main article: Gas discharge lamp

Image File history File links Download high resolution version (311x649, 278 KB) Summary I made this from an existing Public Domain JPEG. Licensing File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Download high resolution version (311x649, 278 KB) Summary I made this from an existing Public Domain JPEG. Licensing File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... A spiral type compact fluorescent lamp. ... It has been suggested that this article or section be merged with Fluorescent lamp. ... Fluorescent lamps in Shinbashi, Tokyo, Japan Assorted types of fluorescent lamps. ... A spiral type compact fluorescent lamp. ... Spectrum of a fluorescent black light source. ... In contrast with all other electrical lamps that use electrical connections through the lamp envelope to transfer power to the lamp, in electrodeless lamps the power needed to generate light is transferred from the outside of the lamp envelope by means of (electro)magnetic fields. ... A hollow cathode lamp (HCL) is type of lamp used in physics and chemistry as a spectral line source and as a frequency tuner for light sources such as lasers. ... Lighting neon lamp, two 220/230 volt and 110 V neon lamps and a screwdriver with neon lamp inside A neon lamp is a gas discharge lamp containing primarily neon gas at low pressure. ... This article or section does not cite its references or sources. ... Xenon flash lamp being fired. ...

High-intensity discharge lamps

Main article: High-intensity discharge lamp

15 kW Xenon short-arc lamp used in IMAX projectors High-intensity discharge (HID) lamps include these types of electrical lamps: mercury vapor, metal halide (also HQI), high-pressure sodium (Son), low-pressure sodium (Sox) and less common, xenon short-arc lamps. ... Ceramic Discharge Metal Halide lamps are a relativly new source of light that is a variation of the Mercury-vapor lamp. ... An HMI on a stand. ... A Mercury-vapor lamp is a gas discharge lamp which uses mercury in an excited state to produce light. ... Example of a light source using a broad spectrum metal halide lamp pointing upward towards the sky. ... A LPS / SOX streetlight at full power A sodium vapor lamp is a gas discharge lamp which uses sodium in an excited state to produce light. ... This section may require cleanup to meet Wikipedias quality standards. ... LBNL researcher examines prototype sulfur lamp. ...

Nuclear

Radioluminescence is the phenomenon by which luminescence is produced in a material by the bombardment of ionizing radiation such as beta particles. ... Self-powered lighting is a generic term describing devices that emit light continuously without an external power source. ...

Other

As the temperature decreases, the peak of the black body radiation curve moves to lower intensities and longer wavelengths. ... (help· info), (from the German bremsen, to brake and Strahlung, radiation, thus, braking radiation), is electromagnetic radiation produced by the acceleration of a charged particle, such as an electron, when deflected by another charged particle, such as an atomic nucleus. ... Cherenkov radiation glowing in the core of a TRIGA reactor Cherenkov radiation (also spelled Cerenkov or sometimes Čerenkov) is electromagnetic radiation emitted when a charged particle passes through an insulator at a speed greater than the speed of light in that medium. ... Cyclotron radiation is a type of bremsstrahlung (braking) radiation. ... U.S. Patent 3,386,883 - fusor — June 4, 1968 The Farnsworth–Hirsch Fusor, or simply fusor, is an apparatus designed by Philo T. Farnsworth to create nuclear fusion. ... For other uses, see Laser (disambiguation). ... A packaged laser diode with penny for scale. ... Long exposure image of multi-bubble sonoluminescence created by a high intensity ultrasonic horn immersed in a beaker of liquid. ... LBNL researcher examines prototype sulfur lamp. ... Synchrotron radiation emerging from a beam port. ... General Electric synchrotron accelerator built in 1946, the origin of the discovery of synchrotron radiation. ... Scintillation is a flash of light produced in a transparent material by an ionizing event. ...

See also

Photopic (black) and scotopic [1] (green) luminosity functions. ... Spectrometer A spectrometer is an optical instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials. ...

External links


 
 

COMMENTARY     


Share your thoughts, questions and commentary here
Your name
Your comments

Want to know more?
Search encyclopedia, statistics and forums:

 


Press Releases |  Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms, 1022, m