ballistic movement
11Bipedalism — Bipedality redirects here. For the film, see Bipedality (film). An ostrich, one of the fastest of living bipeds …
12sensory reception, human — Introduction means by which humans react to changes in external and internal environments. Ancient philosophers called the human senses “the windows of the soul,” and Aristotle described at least five senses sight, hearing, smell, taste, and… …
13Collision cascade — A classical molecular dynamics computer simulation of a collision cascade in Au induced by a 10 keV Au self recoil. This is a typical case of a collision cascade in the heat spike regime. Each small sphere illustrates the position of an atom, in… …
14Military 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.… …
15international 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… …
16Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
17United 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… …
18Nuclear disarmament — United States and USSR/Russian nuclear weapons stockpiles, 1945 2006. These numbers include warheads not actively deployed, including those on reserve status or scheduled for dismantlement. Stockpile totals do not necessarily reflect nuclear… …
19Nuclear weapons and the United Kingdom — United Kingdom Nuclear program start date 10 April 1940 First nuclear weapon test 2 October 1952 First fusion weapon test …
20Cold War — For other uses, see Cold War (disambiguation). United States President …
