Ultraviolet photography — is a photographic process of recording images by using light from the ultraviolet (UV) spectrum only.OverviewLight which is visible to the human eye covers the spectral region from about 400 to 750 nanometers. This is the radiation spectrum used… … Wikipedia
ultraviolet astronomy — Study of astronomical objects and phenomena by observing the ultraviolet radiation (UV radiation) they emit. It has yielded much information about chemical abundances and processes in interstellar matter, the Sun, and other stellar objects, such… … Universalium
ultraviolet filter — Photog. a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph. Also called UV filter. * * * … Universalium
ultraviolet filter — Photog. a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph. Also called UV filter … Useful english dictionary
Neon lighting — Times Square, New York City, has been famous for elaborate neon lighting displays since th … Wikipedia
Neon sign — … Wikipedia
Dispersive prism — Photograph of a triangular prism, dispersing light … Wikipedia
Photography — is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light sensitive material such as photographic… … 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
coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction in biology,… … Universalium