A recessed light or downlight (also pot light in Canadian English, sometimes can light (for canister light) in American English) is a light fixture that...

of the US. Cove light – indirect lighting recessed into the ceiling in a long box against a wall. Troffer – recessed fluorescent light fixtures, usually...

A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron...

animated series by Disney Recess: School's Out, a 2001 film based on the series Search for "recess" on Wikipedia. Recessed light Recession Recessive All...

Limelight (also known as Drummond light or calcium light) is a non-electric type of stage lighting that was once used in theatres and music halls. An intense...

A Klieg light is an intense carbon arc lamp especially used in filmmaking. It is named after inventor John Kliegl and his brother Anton Kliegl. Klieg...

The Centennial Light is an incandescent light bulb recognized as the oldest known continuously operating light bulb. It was first illuminated in 1901...

An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Lamps usually...

A street light, light pole, lamp pole, lamppost, streetlamp, light standard, or lamp standard is a raised source of light on the edge of a road or path...

or sterilizer lamp) is an electric light that produces ultraviolet C (UVC) light. This short-wave ultraviolet light disrupts DNA base pairing, causing...

Edison light bulbs, also known as filament light bulbs and retroactively referred to as antique light bulbs or vintage light bulbs, are either carbon-...

will need little light for crossing the area. Downlighting is most common, with fixtures on or recessed in the ceiling casting light downward. This tends...

A strobe light or stroboscopic lamp, commonly called a strobe, is a device used to produce regular flashes of light. It is one of a number of devices that...

A navigation light, also known as a running or position light, is a source of illumination on a watercraft, aircraft or spacecraft, meant to give information...

colours and symbols, including arrows and bicycles. The regular traffic light colours are red to stop traffic, amber for traffic change, and green for...

for recessed light fixtures. CFLs designed for use in such fixtures are available. Current recommendations for fully enclosed, unventilated light fixtures...

grease. For several centuries, rushlights were a common source of artificial light for poor people throughout the British Isles. They were extremely inexpensive...

control light more precisely. They produce about four times the concentrated light intensity of general service (A), and are used in recessed and track...

called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave (UV-A) ultraviolet light and very little visible light. One type of...

is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties of such lamps...

is a parameter describing the color of a visible light source by comparing it to the color of light emitted by an idealized opaque, non-reflective body...

hydrogen, to create visible light. Tritium emits electrons through beta decay and, when they interact with a phosphor material, light is emitted through the...

mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor, to produce ultraviolet...

and thus the amount of light it produces. This type of lamp generally has a reflector behind the flame to help project the light forward. An acetylene...

An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc). The carbon arc light, which consists of an arc between...

lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular direction. It is usually...

enlightenment, prosperity, knowledge and wisdom. Diyas represent the triumph of light over dark, good over evil with the most notable example of this being on...

A bubble light is a decorative device consisting of a liquid-filled vial that is heated and illuminated by an incandescent light bulb. Because of the...

This is a list of sources of light, the visible part of the electromagnetic spectrum. Light sources produce photons from another energy source, such as...

object emits cold light in contrast to incandescence, where an object only emits light after heating. Generally, the emission of light is due to the movement...