effective+principle
121western Africa, history of — Introduction history of the region from the 11th century to the present. A reasonable body of sources for the writing of western African history begins to be available about AD 1000. Three centuries earlier, the Arabs (Arab) had… …
122Labour Unions (Moral Aspects) — Labour Unions (Moral Aspects) † Catholic Encyclopedia ► Labour Unions (Moral Aspects) Since a labour union is a society, its moral aspects are determined by its constitution, its end, its results, and the means employed in pursuit of… …
123Climate change mitigation — Fossil fuel related CO2 emissions compared to five of IPCC s emissions scenarios. The dips are related to global recessions. Data from IPCC SRES scenarios; …
124Human–computer interaction — This article is about the interaction between users and computers. For the direct communication between brain cells and computers, see Brain–computer interface. A mouse is a pointing device that functions by detecting two dimensional motion… …
125Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …
126High explosive anti-tank warhead — High explosive anti tank (HEAT) rounds are made of an explosive shaped charge that uses the Neumann effect (a development of the Munroe effect) to create a very high velocity jet of metal in a state of superplasticity that can punch through solid …
127Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …
128Germany — • History divided by time periods, beginning with before 1556 Catholic Encyclopedia. Kevin Knight. 2006. Germany Germany † …