coherent element
51atomic physics — Scientific study of the structure of the atom, its energy states, and its interaction with other particles and fields. The modern understanding of the atom is that it consists of a heavy nucleus of positive charge surrounded by a cloud of light,… …
52unifier — [ ynifje ] v. tr. <conjug. : 7> • unifaiz p. p. 1380; repris XIXe; lat. médiév. unificare 1 ♦ Faire de (plusieurs éléments) une seule et même chose; rendre unique, faire l unité de. ⇒ unir. Unifier des régions (en un seul pays), des classes …
53Optical resolution — This article is about optical resolution in optics. For the method of separating enantiomers in chemistry, see Chiral resolution. Optical resolution describes the ability of an imaging system to resolve detail in the object that is being imaged.… …
54ethics — /eth iks/, n.pl. 1. (used with a sing. or pl. v.) a system of moral principles: the ethics of a culture. 2. the rules of conduct recognized in respect to a particular class of human actions or a particular group, culture, etc.: medical ethics;… …
55historiography — historiographic /hi stawr ee euh graf ik, stohr /, historiographical, adj. historiographically, adv. /hi stawr ee og reuh fee, stohr /, n., pl. historiographies. 1. the body of literature dealing with historical matters; histories collectively. 2 …
56light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
57Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
58LIDAR — A FASOR used at the Starfire Optical Range for LIDAR and laser guide star experiments is tuned to the sodium D2a line and used to excite sodium atoms in the upper atmosphere …
59Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
60Network motif — Network motifs are connectivity patterns (sub graphs) that occur much more often than they do in random networks. Most networks studied in biology, ecology and other fields have been found to show a small set of network motifs; surprisingly, in… …
