83 relations: Air conditioning, Arc lamp, Argon, Astronomy, Automatic gain control, Black body, Candle, Circuit diagram, Color, Color rendering index, Color temperature, Compact fluorescent lamp, Consumer electronics, Continuous spectrum, Easy-Bake Oven, Electric arc, Electric battery, Electric current, Electric discharge, Electrical ballast, Electricity, Electrode, Electrodeless lamp, Energy conservation, Fast food, Fingerprint, Fire, Flashlight, Fluorescent lamp, Fused quartz, Gas lighting, Gas-discharge lamp, Halogen lamp, Hazardous waste, Humphry Davy, Incandescent light bulb, Incubator (egg), Infrared lamp, Kelvin, Lantern, LED lamp, Light, Light fixture, Light pollution, Light tube, Light-emitting diode, Lightbulb socket, Lighting, List of light sources, Loudspeaker, ..., Loudspeaker enclosure, Lumen (unit), Luminous efficacy, Mean time between failures, Median, Mercury (element), Mercury-vapor lamp, Metal halides, Metal-halide lamp, Monochrome, Movie projector, Neon, Neon lamp, Oil lamp, Phosphor, Plasma (physics), Projector, Recycling, Searchlight, Sodium, Sodium-vapor lamp, Stage lighting, Street light, Sulfur lamp, Thermistor, Ultra-high-performance lamp, Ultraviolet, United States Environmental Protection Agency, Ventilation (architecture), Visible spectrum, Watt, Xenon, Xenon arc lamp. Expand index (33 more) » « Shrink index
Air conditioning (often referred to as AC, A/C, or air con) is the process of removing heat and moisture from the interior of an occupied space, to improve the comfort of occupants.
An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc).
Argon is a chemical element with symbol Ar and atomic number 18.
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
Automatic gain control (AGC), also called automatic volume control (AVC), is a closed-loop feedback regulating circuit in an amplifier or chain of amplifiers, the purpose of which is to maintain a suitable signal amplitude at its output, despite variation of the signal amplitude at the input.
A black body is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence.
A candle is an ignitable wick embedded in wax, or another flammable solid substance such as tallow, that provides light, and in some cases, a fragrance.
A circuit diagram (electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit.
Color (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple.
A color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with an ideal or natural light source.
The color temperature of a light source is the temperature of an ideal black-body radiator that radiates light of a color comparable to that of the light source.
A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light, and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs.
Consumer electronics or home electronics are electronic (analog or digital) equipments intended for everyday use, typically in private homes.
In physics, a continuous spectrum usually means a set of attainable values for some physical quantity (such as energy or wavelength) that is best described as an interval of real numbers, as opposed to a discrete spectrum, a set of attainable values that is discrete in the mathematical sense, where there is a positive gap between each value and the next one.
The Easy-Bake Oven is a working toy oven which Kenner introduced in 1963, and which Hasbro still manufactured as of late April 2016.
An electric arc, or arc discharge, is an electrical breakdown of a gas that produces an ongoing electrical discharge.
An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, smartphones, and electric cars.
An electric current is a flow of electric charge.
An electric discharge is the release and transmission of electricity in an applied electric field through a medium such as a gas.
An electrical ballast is a device placed in line with the load to limit the amount of current in an electrical circuit.
Electricity is the set of physical phenomena associated with the presence and motion of electric charge.
An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air).
The internal electrodeless lamp or induction lamp is a gas discharge lamp in which an electric or magnetic field transfers the power required to generate light from outside the lamp envelope to the gas inside.
Energy conservation is the effort made to reduce the consumption of energy by using less of an energy service.
Fast food is a mass-produced food that is typically prepared and served quicker than traditional foods.
A fingerprint in its narrow sense is an impression left by the friction ridges of a human finger.
Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.
A flashlight (more often called a torch outside North America) is a portable hand-held electric light.
A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light.
Fused quartz or fused silica is glass consisting of silica in amorphous (non-crystalline) form.
Gas lighting is production of artificial light from combustion of a gaseous fuel, such as hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, or natural gas.
Gas-discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma.
A halogen lamp, also known as a tungsten halogen, quartz-halogen or quartz iodine lamp, is an incandescent lamp consisting of a tungsten filament sealed into a compact transparent envelope that is filled with a mixture of an inert gas and a small amount of a halogen such as iodine or bromine.
Hazardous waste is waste that has substantial or potential threats to public health or the environment.
Sir Humphry Davy, 1st Baronet (17 December 177829 May 1829) was a Cornish chemist and inventor, who is best remembered today for isolating, using electricity, a series of elements for the first time: potassium and sodium in 1807 and calcium, strontium, barium, magnesium and boron the following year, as well as discovering the elemental nature of chlorine and iodine.
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated to such a high temperature that it glows with visible light (incandescence).
An incubator is a device simulating avian incubation by keeping eggs warm and in the correct humidity, and if needed to turn them, to hatch them.
Infrared lamps are electrical devices which emit infrared radiation.
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
Today, English-speakers use the term lantern to describe many types of portable lighting, but lanterns originated as a protective enclosure for a light source—usually a candle or a wick in oil—to make it easier to carry and hang up, and more reliable outdoors or in drafty interiors.
A LED lamp or LED light bulb is an electric light for use in light fixtures that produces light using light-emitting diode (LED).
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
A light fixture (US English), light fitting (UK English), or luminaire is an electrical device that contains an electric lamp that provides illumination.
Light pollution, also known as photopollution, is the presence of anthropogenic light in the night environment.
Light tubes (also known as light pipes or tubular skylights) are physical structures used for transmitting or distributing natural or artificial light for the purpose of illumination, and are examples of optical waveguides.
A light-emitting diode (LED) is a two-lead semiconductor light source.
Lightbulb sockets, light sockets, lamp sockets or lampholders provide electrical connections to the lamps and support it in the lighting fixture.
Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect.
This is a list of sources of light, including both natural and artificial processes that emit light.
A loudspeaker (or loud-speaker or speaker) is an electroacoustic transducer; which converts an electrical audio signal into a corresponding sound.
A loudspeaker enclosure or loudspeaker cabinet is an enclosure (often box-shaped) in which speaker drivers (e.g., loudspeakers and tweeters) and associated electronic hardware, such as crossover circuits and, in some cases, power amplifiers, are mounted.
The lumen (symbol: lm) is the SI derived unit of luminous flux, a measure of the total quantity of visible light emitted by a source.
Luminous efficacy is a measure of how well a light source produces visible light.
Mean time between failures (MTBF) is the predicted elapsed time between inherent failures of a mechanical or electronic system, during normal system operation.
The median is the value separating the higher half of a data sample, a population, or a probability distribution, from the lower half.
Mercury is a chemical element with symbol Hg and atomic number 80.
A mercury-vapor lamp is a gas discharge lamp that uses an electric arc through vaporized mercury to produce light.
Metal halides are compounds between metals and halogens.
A metal-halide lamp is an electrical lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides (compounds of metals with bromine or iodine).
Monochrome describes paintings, drawings, design, or photographs in one color or values of one color.
A movie projector is an opto-mechanical device for displaying motion picture film by projecting it onto a screen.
Neon is a chemical element with symbol Ne and atomic number 10.
A neon lamp (also neon glow lamp) is a miniature gas discharge lamp.
An oil lamp is an object used to produce light continuously for a period of time using an oil-based fuel source.
A phosphor, most generally, is a substance that exhibits the phenomenon of luminescence.
Plasma (Henry George Liddell, Robert Scott, A Greek English Lexicon, on Perseus) is one of the four fundamental states of matter, and was first described by chemist Irving Langmuir in the 1920s.
Acer projector, 2012 A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen.
Recycling is the process of converting waste materials into new materials and objects.
A searchlight (or spotlight) is an apparatus that combines an extremely luminous source (traditionally a carbon arc lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular direction, usually constructed so that it can be swiveled about.
Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.
A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.
Stage lighting is the craft of lighting as it applies to the production of theatre, dance, opera and other performance arts.
A street light, light pole, lamppost, street lamp, light standard, or lamp standard is a raised source of light on the edge of a road or path.
The sulfur lamp (also sulphur lamp) is a highly efficient full-spectrum electrodeless lighting system whose light is generated by sulfur plasma that has been excited by microwave radiation.
A thermistor is a type of resistor whose resistance is dependent on temperature, more so than in standard resistors.
The ultra-high-performance lamp, a high-pressure mercury arc lamp often known by the Philips trademark UHP, was originally known as the ultra-high-pressure lamp, because the internal pressure was as much as 200 atmospheres.
Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.
The Environmental Protection Agency is an independent agency of the United States federal government for environmental protection.
Ventilation is the intentional introduction of ambient air into a space and is mainly used to control indoor air quality by diluting and displacing indoor pollutants; it can also be used for purposes of thermal comfort or dehumidification.
The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye.
The watt (symbol: W) is a unit of power.
Xenon is a chemical element with symbol Xe and atomic number 54.
A xenon arc lamp is a highly specialized type of gas discharge lamp, an electric light that produces light by passing electricity through ionized xenon gas at high pressure.
Electric Lighting, Electric lamp, Electric lamps, Electric light (illumination), Electric light bulb, Electric light bulbs, Electric lightbulb, Electric lightbulbs, Electric lighting, Electrical lamp, Electrical light, Lamp (electrical component), Light Bulb, Light bulb, Light bulbs, Lightbulb, Lightbulbs, Re-lamping, Relamping, Types of electrical lamp, 💡.