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61Mathematics 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… …
62rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
63stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… …
64Magnetoresistive random access memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube Non volatile …
65Operation Badr (1973) — Part of the Yom Kippur War/October War …
66psychological contract — The psychological nature of a contract between an organization and its staff. This encompasses the implications and expectations that arise as a result of the relationship. Psychological contracts can take various forms: • A coercive contract is… …
67PROSODY, HEBREW — This article is a survey of the history of Hebrew poetic forms from the Bible to the present time. The entry is arranged according to the following outline: introduction the variety of formal systems the specific nature of hebrew literary history …
68Economy of Canada — Infobox Economy country = Canada width = 150 currency = Canadian dollar (CAD) year = 1 April – 31 March organs = NAFTA, OECD, WTO and others rank = 13th gdp = $1.274 trillion (2007 est.) growth = 2.7% (2007 est.) per capita = $38,200 (2007 est.)… …
69City of London — Not to be confused with London. City of London The City • Square Mile Aerial view of the City of London …
70Heavy metal music — Heavy metal Stylistic origins Blues rock, psychedelic rock Cultural origins Late 1960s, United Kingdom and United States Typical instruments Electric guitar • bass guitar • drums • vocals • keyboards …
