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Model (person)
A model (from Middle French modèle//aew), sometimes called a mannequin, is a person who is employed to display, advertise and promote commercial products or to serve as a subject of works of art. Modelling is distinguished from other types of public performance, such as an acting, dancing or mime artist, although the boundary is not well defined. Appearing in a movie or a play is almost never considered modelling.
Model (person)Human appearanceModelingModels (occupation)

Photography
"Photographic" redirects here. For other uses, see Photography (disambiguation) Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either chemically by means of a light-sensitive material such as photographic film, or electronically by means of an image sensor.
PhotographyGreek loanwordsOpticsPhotography1822 introductions

Reconnaissance
Reconnaissance is the military term for exploring beyond the area occupied by friendly forces to gain information about enemy forces or features of the environment. Often referred to as recce (British & Commonwealth) or recon (USA), the associated verb is reconnoitre in British English or reconnoiter in American English.
ReconnaissanceMilitary intelligence collectionReconnaissanceMilitary cartographyFrench loanwordsManeuver tactics

Etching
Etching is the process of using strong acid or mordant to cut into the unprotected parts of a metal surface to create a design in intaglio in the metal (the original process—in modern manufacturing other chemicals may be used on other types of material). As an intaglio method of printmaking, it is, along with engraving, the most important technique for old master prints, and remains in wide use today.
EtchingRelief printingPrintmakingEtching

Installation art
Installation art describes an artistic genre of three-dimensional works that are often site-specific and designed to transform the perception of a space. Generally, the term is applied to interior spaces, whereas exterior interventions are often called Land art; however, the boundaries between these terms overlap.
Installation artContemporary artArt genresInstallation artArt movements

Collage
A collage is a work of formal art, primarily in the visual arts, made from an assemblage of different forms, thus creating a new whole. A collage may sometimes include newspaper clippings, ribbons, bits of colored or hand-made papers, portions of other artwork or texts, photographs and other found objects, glued to a piece of paper or canvas.
CollageDecorative artsFound artCollageSurrealismContemporary artArtistic techniquesCubismPaper art

Photojournalism
Photojournalism is a particular form of journalism (the collecting, editing, and presenting of news material for publication or broadcast) that creates images in order to tell a news story. It is now usually understood to refer only to still images, but in some cases the term also refers to video used in broadcast journalism.
PhotojournalismJournalism occupationsPhotography by genreStock photographyPhotojournalismJournalism genresVisual journalism

Photovoltaics
Photovoltaics (PV) is a method of generating electrical power by converting solar radiation into direct current electricity using semiconductors that exhibit the photovoltaic effect. Photovoltaic power generation employs solar panels composed of a number of solar cells containing a photovoltaic material. Materials presently used for photovoltaics include monocrystalline silicon, polycrystalline silicon, amorphous silicon, cadmium telluride, and copper indium gallium selenide/sulfide.
PhotovoltaicsPhotovoltaics

Digital camera
A digital camera (or digicam) is a camera that takes video or still photographs by recording images on an electronic image sensor. Most cameras sold today are digital, and digital cameras are incorporated into many devices ranging from PDAs and mobile phones to vehicles. Digital and film cameras share an optical system, typically using a lens with a variable diaphragm to focus light onto an image pickup device.
Digital cameraAmerican inventionsDigital camerasDigital photography

Solar cell
A solar cell (also called photovoltaic cell or photoelectric cell) is a solid state electrical device that converts the energy of light directly into electricity by the photovoltaic effect. Assemblies of solar cells are used to make solar modules which are used to capture energy from sunlight.
Solar cellSolar cellsSemiconductor devicesEnergy harvestingRussian inventionsEnergy conversionAmerican inventions

Stereoscopy
Stereoscopy (also called stereoscopics or 3-D imaging) refers to a technique for creating or enhancing the illusion of depth in an image by presenting two offset images separately to the left and right eye of the viewer. These two-dimensional images are then combined in the brain to give the perception of 3-D depth.
StereoscopyStereoscopyGreek loanwords

Lockheed P-38 Lightning
The Lockheed P-38 Lightning was a World War II American fighter aircraft built by Lockheed. Developed to a United States Army Air Corps requirement, the P-38 had distinctive twin booms and a single, central nacelle containing the cockpit and armament.
Lockheed P-38 LightningPropeller aircraftTwin boom aircraftUnited States fighter aircraft 1930–1939Lockheed aircraft

De Havilland Mosquito
The de Havilland DH.98 Mosquito was a British multi-role combat aircraft, with a two-man crew, that served during the Second World War and the postwar era. The Mosquito was one of the few operational, front-line aircraft to be constructed almost entirely of wood and, as such, was nicknamed "The Wooden Wonder".
De Havilland MosquitoDe Havilland Canada aircraftDe Havilland aircraftBritish bomber aircraft 1940–1949World War II British bombersWorld War II night fighter aircraft

Printer (computing)
In computing, a printer is a peripheral which produces a text or graphics of documents stored in electronic form, usually on physical print media such as paper or transparencies. Many printers are primarily used as local peripherals, and are attached by a printer cable or, in most new printers, a USB cable to a computer which serves as a document source.
Printer (computing)Computer printersOffice equipmentTypography

Aerial photography
Aerial photography is the taking of photographs of the ground from an elevated position. The term usually refers to images in which the camera is not supported by a ground-based structure. Cameras may be hand held or mounted, and photographs may be taken by a photographer, triggered remotely or triggered automatically. Platforms for aerial photography include fixed-wing aircraft, helicopters, balloons, blimps and dirigibles, rockets, kites, poles, parachutes, and vehicle mounted poles.
Aerial photographyPhotography by genreAerial photographyOccupations in aviationCartography

Photographic film
This article is mainly concerned with still photography film. For motion picture film, please see film stock. Photographic film is a sheet of plastic coated with an emulsion containing light-sensitive silver halide salts with variable crystal sizes that determine the sensitivity, contrast and resolution of the film. When the emulsion is sufficiently exposed to light (or other forms of electromagnetic radiation such as X-rays), it forms a latent (invisible) image.
Photographic filmPhotographic filmsStorage mediaPhotography equipment

Rendering (computer graphics)
Rendering is the process of generating an image from a model (or models in what collectively could be called a scene file), by means of computer programs. A scene file contains objects in a strictly defined language or data structure; it would contain geometry, viewpoint, texture, lighting, and shading information as a description of the virtual scene.
Rendering (computer graphics)3D computer graphics

Yearbook
A yearbook, also known as an annual, is a book to record, highlight, and commemorate the past year of a school or a book published annually. Virtually all American, Australian and Canadian high schools, most colleges and many elementary and middle schools publish yearbooks. The term may also refer to a book of statistics or facts published annually.
YearbookBooks by typeStudent mediaAcademia

Photocopier
A photocopier (also known as a copier or copy machine) is a machine that makes paper copies of documents and other visual images quickly and cheaply. Most current photocopiers use a technology called xerography, a dry process using heat. (Copiers can also use other technologies such as ink jet, but xerography is standard for office copying.
PhotocopierOffice equipment1949 introductionsComputer peripheralsPhotocopiers

Adverse drug reaction
An adverse drug reaction (abbreviated ADR) is an expression that describes harm associated with the use of given medications at a normal dosage during normal use. ADRs may occur following a single dose or prolonged administration of a drug or result from the combination of two or more drugs. The meaning of this expression differs from the meaning of "side effect", as this last expression might also imply that the effects can be beneficial.
Adverse drug reactionDrug safetyPharmacologyPharmacy

Theatrical property
A theatrical property, commonly referred to as a prop, is an object used on stage by actors to further the plot or story line of a theatrical production. Smaller props are referred to as "hand props". Larger props may also be set decoration, such as a chair or table. The difference between a set decoration and a prop is use. If the item is not touched by a performer for any reason it is simply a set decoration.
Theatrical propertyProp designStagecraft

Photovoltaic system
Photovoltaic systems (PV system) use solar panels to convert sunlight into electricity. A system is made up of one or more solar panels, usually a controller or power converter, and the interconnections and mounting for the other components. A small PV system may provide energy to a single consumer, or to an isolated device like a lamp or a weather instrument. Large grid-connected PV systems can provide the energy needed by many customers.
Photovoltaic systemPhotovoltaics

Image scanner
In computing, an image scanner—often abbreviated to just scanner—is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image. Common examples found in offices are variations of the desktop (or flatbed) scanner where the document is placed on a glass window for scanning.
Image scannerOffice equipmentComputing input devices

Contact dermatitis
Contact dermatitis is a term for a skin reaction resulting from exposure to allergens or irritants. Phototoxic dermatitis occurs when the allergen or irritant is activated by sunlight.
Contact dermatitisOccupational safety and healthContact dermatitis

Safari
A safari is an overland journey, usually a trip by tourists to Africa. Traditionally, the term is used for a big-game hunt, but today the term often refers to a trip taken not for the purposes of hunting, but to observe and photograph animals and other wildlife.
SafariHuntingTourism in AfricaAfrican culturesSwahili words and phrasesTypes of tourismArabic words and phrases

Look (American magazine)
Look was a bi-weekly, general-interest magazine published in Des Moines, Iowa from 1937 to 1971, with more of an emphasis on photographs than articles. A large-size magazine of 11 by 14 inches, it was generally considered the also-ran to Life magazine, which began publication months earlier and ended in 1972. It is known for helping launch the career of film director Stanley Kubrick, who was a staff photographer.
Look (American magazine)Publications established in 1937American weekly magazinesDefunct magazines of the United StatesPublications disestablished in 1971News magazines

Photoelectric effect
In the photoelectric effect, electrons are emitted from matter as a consequence of their absorption of energy from electromagnetic radiation of very short wavelength, such as visible or ultraviolet radiation. Electrons emitted in this manner may be referred to as photoelectrons. First observed by Heinrich Hertz in 1887, the phenomenon is also known as the Hertz effect, although the latter term has fallen out of general use.
Photoelectric effectPhotovoltaicsFoundational quantum physicsAlbert EinsteinElectrical phenomenaEnergy conversion

Satellite imagery
Satellite imagery consists of photographs of Earth or other planets made by means of artificial satellites.
Satellite imageryPhotography by genreSatellitesSatellite broadcasting

Offset printing
Offset printing is a commonly used printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket, then to the printing surface.
Offset printingPlanographic printing1903 introductions

Digital photography
Digital photography is a form of photography that uses an array of light sensitive sensors to capture the image focused by the lens, as opposed to an exposure on light sensitive film. The captured image is then stored as a digital file ready for digital processing (colour correction, sizing, cropping, etc. ), viewing or printing.
Digital photographyDigital photography