fission detector
51Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …
52Monte Carlo N-Particle Transport Code — (MCNP) is a software package for simulating nuclear processes. It is developed by Los Alamos National Laboratory and is distributed within the United States by the Radiation Safety Information Computational Center in Oak Ridge, TN and… …
53Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
54Topic outline of nuclear technology — For a more comprehensive list, see the List of nuclear technology topics. Nuclear technology is technology that involves the reactions of atomic nuclei. It has found applications from smoke detectors to nuclear reactors, and from gun sights to… …
55Extraterrestrial materials — Most atoms on earth came from the interstellar dust and gas from which the sun and solar system formed. However, in the space science community extraterrestrial materials generally refers to objects now on earth that were solidified prior to… …
56List of Marvel Family enemies — Through his adventures, Fawcett Comics/DC Comics superhero Captain Marvel and his Marvel Family gained a host of enemies, including the following: Contents 1 Acrobat 2 Adolf Hitler 3 Amoeba Family …
57PHYSICS — The material presented in this entry emphasizes those contributions which were important in arriving at verified present day scientific results, rather than those that may have appeared important at the time. Unavoidably it will overlap in parts… …
58P. Buford Price — Paul Buford Price, usually known as P. Buford Price, is a professor in the Graduate School at the University of California, Berkeley and a member of the National Academy of Sciences. His work has been wide ranging over his career, but began with… …
59Strangelet — A strangelet is a hypothetical object consisting of a bound state of roughly equal numbers of up, down, and strange quarks. The size would be a minimum of a few femtometers across (with the mass of a light nucleus). Once the size becomes… …
60Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
