glancing
111Auger electron spectroscopy — (AES; Auger pronounced|oːʒeː in French) is a common analytical technique used specifically in the study of surfaces and, more generally, in the area of materials science. Underlying the spectroscopic technique is the Auger effect, as it has come… …
112Activation energy — In chemistry, activation energy, also called midnight energy, is a term introduced in 1889 by the Swedish scientist Svante Arrhenius, that is defined as the energy that must be overcome in order for a chemical reaction to occur. Arrhenius… …
113Shield — A shield is a protective device, meant to intercept attacks. The term often refers to a device that is held in the hand, as opposed to armour or a bullet proof vest.Prehistoric and AntiquityThe oldest form of shield was a protection used to block …
114Crash cymbal — For the pair of cymbals held in the hands, see Clash cymbals. The drum kit …
115Marcel Duchamp — Duchamp redirects here. For other uses, see Duchamp (disambiguation). Marcel Duchamp Marcel Duchamp playing chess in 1952. (Kay Bell Reynal photo in the Smithsonian Institution Archives of American Art.) Birth name …
116X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …
117Milton Berle — Berle at the 41st Primetime Emmy Awards in 1989 Born Milton Berlinger July 12, 1908(1908 07 12) Manhattan, New York, U.S …
118Demosthenes — For other historical and fictional personages named Demosthenes, see Demosthenes (disambiguation). Demosthenes Bust of Demosthenes (Louvre, Paris, France) Born …
119Solar flare — A solar flare is a violent explosion in a star s (like the Sun s) atmosphere releasing as much energy as 6 times; 1025 Joules.cite journal last=Kopp first=G. coauthors=Lawrence, G and Rottman, G. year=2005… …
120Roundabout — This article is about the road junction. For other uses, see Roundabout (disambiguation). Movement within a roundabout in a country where traffic drives on the right. Note the anticlockwise circulation …
