hydrogen weapon
61Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
62Military history of Jewish Americans — Jewish Americans have served in the United States armed forces dating back to before the colonial era, when Jews have served in militias of the Thirteen Colonies. Jewish military personnel have served in all branches of the armed forces and in… …
63Uranium — (pronEng|jʊˈreɪniəm) is a silvery gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 protons and 92 electrons, 6 of them valence electrons. It can have between 141 and …
64High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… …
65Nuclear testing — Nuclear weapons tests are experiments carried out to determine the effectiveness, yield and explosive capability of nuclear weapons. Throughout the twentieth century, most nations that have developed nuclear weapons have tested them. Testing… …
66Doomsday device — This article is about the theoretical world ending destruction. For the professional wrestling maneuver, see Doomsday Device. Doomsday machine redirects here. For other uses, see Doomsday machine (disambiguation). Many hypothetical doomsday… …
67Norwegian heavy water sabotage — Part of World War II The Vemork Hydroelectric Plant in 1935. The heavy water was …
68Nuclear technology — A residential smoke detector is the most familiar piece of nuclear technology for some people Nuclear technology is technology that involves the reactions of atomic nuclei. Among the notable nuclear technologies are nuclear power, nuclear… …
69Soviet atomic bomb project — The fathers of the Soviet nuclear program, Dr. Andrei Sakharov (left) with Dr. Igor Kurchatov (right) …
70Klaus Fuchs — Infobox scientist name = Emil Julius Klaus Fuchs caption = Klaus Fuchs ID badge at Los Alamos. birth date = December 29, 1911 birth place = Rüsselsheim, Germany death date = January 28, 1988 death place = Dresden, East Germany residence = Germany …
