beryllium reflector

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• Beryllium — (pronEng|bəˈrɪliəm) is a chemical element with the symbol Be and atomic number 4. A bivalent element, beryllium is a steel grey, strong, light weight yet brittle alkaline earth metal. It is primarily used as a hardening agent in alloys, most… …   Wikipedia

• Neutron reflector — A neutron reflector is any material that reflects neutrons. This refers to elastic scattering rather than to a specular reflection. The material may be graphite, beryllium, steel, and tungsten carbide, or other materials. A neutron reflector can… …   Wikipedia

• SLOWPOKE reactor — The SLOWPOKE (acronym for Safe Low Power Kritical Experiment) is a low energy, pool type nuclear research reactor designed by Atomic Energy of Canada Limited (AECL) in the late 1960s. It is beryllium reflected with a very low critical mass but… …   Wikipedia

• James Webb Space Telescope — General information Organization NASA[1], with significant contributions from ESA and CSA …   Wikipedia

• Miniature neutron source reactor — The Chinese built Miniature Neutron Source reactor (MNSR) is a small and compact research reactor copied from a Canadian SLOWPOKE reactor design. The MNSR is tank in pool type, with highly enriched fuel ( 90% U235 ). The tank is immersed in a… …   Wikipedia

• Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear …   Wikipedia

• Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …   Wikipedia

• nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …   Universalium

• Neutron moderator — Currently operating nuclear power reactors by moderator Moderator Reactors Design Country none (fast) 1 BN 600 Russia (1) graphite 29 AGR, Magnox, RBMK United Kingdom (18), Russia (11) heavy water 29 CANDU …   Wikipedia

• Reliable Replacement Warhead — The Reliable Replacement Warhead (RRW) is a controversial new American nuclear warhead design and bomb family that is intended to be simple, reliable and to provide a long lasting, low maintenance future nuclear force for the United States. It is …   Wikipedia

• Teller–Ulam design — The basics of the Teller–Ulam design. Radiation from a primary fission bomb compresses a secondary section containing both fission and fusion fuel. The compressed secondary is heated from within by a second fission explosion. The Teller–Ulam… …   Wikipedia