atomic engine
51Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
52Thermodynamics — Annotated color version of the original 1824 Carnot heat engine showing the hot body (boiler), working body (system, steam), and cold body (water), the letters labeled according to the stopping points in Carnot cycle …
53United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
54Boeing B-29 Superfortress — This article is about the WWII heavy bomber. For other meanings, see B29 (disambiguation). B 29 Superfortress A USAAF B 29 Superfortress …
55Twentieth Air Force — Infobox Military Unit unit name= Twentieth Air Force caption= Twentieth Air Force emblem dates= 20 June 1941 country= United States of America allegiance= branch= United States Air Force type= role= size= command structure=Air Force Space Command …
56international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
57Thermodynamic temperature — is the absolute measure of temperature and is one of the principal parameters of thermodynamics. Thermodynamic temperature is an “absolute” scale because it is the measure of the fundamental property underlying temperature: its null or zero point …
58Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
59Chronology of real-time tactics video games — Part of a series on …
60Duke Nukem: Total Meltdown — Duke Nukem 3D Duke Nukem 3D Éditeur Apogee Software FormGen/GT Interactive Développeur 3D Realms Concepteur George Broussard, Todd Replogle Date de sortie 29 janvier 1996 (PC) 25 m …
