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Volumetric display — A volumetric display device is a graphical display device that forms a visual representation of an object in three physical dimensions, as opposed to the planar image of traditional screens that simulate depth through a number of different visual … Wikipedia
Display device — Nixie tubes, LED display and VF display, top to bottom. A display device is an output device for presentation of information in visual or tactile form (the latter used for example in tactile electronic displays for blind people). When the input… … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
glass — Synonyms and related words: CM glass, CR glass, achromatic lens, adobe, aerological instrument, agate glass, alabaster, aneroid barometer, aneroidograph, astigmatic lens, barograph, barometer, barometrograph, beaker, bifocals, bijouterie,… … Moby Thesaurus
List of telescope types — There are three main types of optical telescopes and these are divided into subgroups. They all have their different advantages and disadvantages and they are used in different areas of astronomy.Refractors (Dioptrics) * Non achromatic *… … Wikipedia

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