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21Radar MASINT — is one of the subdisciplines of Measurement and Signature Intelligence (MASINT) and refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of Signals Intelligence (SIGINT),… …
22radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
23Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …
24photography, 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… …
25Hexar RF — Infobox camera camera name = Konica Hexar RF type = 35 mm rangefinder camera lens mount = Konica KM mount (the same as or similar to the Leica M mount) focus = manual exposure = Aperture Priority AE or manual flash = hot shoe electronic flash… …
26Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …
27Photographic lens — A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media… …
28History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
29photography, history of — Introduction method of recording the image of an object through the action of light, or related radiation, on a light sensitive material. The word, derived from the Greek photos (“light”) and graphein (“to draw”), was first used in the… …
30Cinematography — Cinematographic redirects here. For the 2007 rock album, see Cinematographic (album). Cinematography (from Greek: kinema κίνημα movement and graphein γράφειν to record ) is the making of lighting and camera choices when recording photographic… …
