work aperture
41optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
42Model lipid bilayer — A model lipid bilayer is any bilayer assembled in vitro, as opposed to the bilayer of natural cell membranes or covering various sub cellular structures like the nucleus. A model bilayer can be made with either synthetic or natural lipids. The… …
43Contax — II A historic camera: the East Germany Contax S of 1949 – …
44Perspective control lens — (a) Keeping the camera level, with an ordinary lens, captures only the bottom portion of the building. (b) Tilting the camera upwa …
45Atta Kim — (born 1956) is a South Korean photographer who has been active since the mid 1980s. He has exhibited his work internationally and was the first photographer chosen to represent South Korea in the São Paulo Biennial.His early works were black and… …
46Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …
47Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …
48Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera …
49Dawoud Bey — (born 1953) is an American photographer renowned for his large scale color portraits of adolescents and other often marginalized subjects. Born David Edward Smikle in New York City s Jamaica, Queens neighborhood, he changed his name to Dawoud Bey …
50microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …
