experimental operation period
71Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …
72List of Statutory Instruments of the United Kingdom, 1992 — This is a complete list of all 1922 Statutory Instruments published in the United Kingdom in the year 1992. NOTOC 1 100* North Hull Housing Action Trust (Transfer of Property) Order 1992 S.I. 1992/1 * Merchant Shipping (Radio Installations)… …
73Ireland — Irelander, n. /uyeur leuhnd/, n. 1. John, 1838 1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888 1918. 2. Also called Emerald Isle. Latin, Hibernia. a large western island of the British …
74space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
75nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
76steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
77Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… …
78Psychology — • The science which treats of the soul and its operations Catholic Encyclopedia. Kevin Knight. 2006. Psychology Psychology † …
79Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …
80perception — perceptional, adj. /peuhr sep sheuhn/, n. 1. the act or faculty of apprehending by means of the senses or of the mind; cognition; understanding. 2. immediate or intuitive recognition or appreciation, as of moral, psychological, or aesthetic… …
