space electric rocket tests
31List of shipwrecks — Contents 1 Africa 1.1 East Africa 1.2 North Africa 1.2.1 Algeria …
32satellite communication — Introduction in telecommunication, the use of artificial satellites to provide communications links between various points on Earth (Earth satellite). Communications satellites relay voice, video, and data signals between widely separated fixed… …
33July 20/Events2 — This page is to record events of July 20 from 1950 to date.1950 1959*1950 Belgium: Parliament authorizes king Leopold III to return from exile in Austria. *1950 Korean War: North Korea attacks the temporary South Korean capital, Taejon. *1950… …
34PGM-19 Jupiter — Pour les articles homonymes, voir Jupiter. Un missile balistique Jupiter. Le PGM 19 Jupiter est un missile balistique de portée intermédiaire de l armée de de l air américaine …
35Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
36aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
37Military Affairs — ▪ 2009 Introduction Russia and Georgia fought a short, intense war in 2008, fueling global fears of a new Cold War. On August 7 Georgia launched an aerial bombardment and ground attacks against its breakaway province of South Ossetia.… …
38Physical 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… …
39Project Mercury — Duration 1959 1963 Goal Place Americans into orbit for as long as one day Achievements First manned flight: May 5, 1961 First orbital flight …
40Lightning — This article is about the atmospheric electrical phenomenon. For other uses, see Lightning (disambiguation). See also: Lightning strike Lightning striking Atlanta, United States Lightning is an atmospheric electrostatic discharge (spar …
