pace of technological progress
91Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
92flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
93Defence Research and Development Organisation — Sanskrit: बलस्य मूलं विज्ञानम् Strength s Origin is in Science [1] Agency overvi …
94colonialism, Western — ▪ politics Introduction a political economic phenomenon whereby various European nations explored, conquered, settled, and exploited large areas of the world. The age of modern colonialism began about 1500, following the European… …
95South Africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 42,327,458; 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town. Formerly, Union of South Africa. * * * South Africa Introduction South Africa… …
96Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
97Nanotechnology — Part of a series of articles on …
98environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
99A Conversation with Lee Teng-hui — ▪ 1997 Encyclopædia Britannica was honoured to have the opportunity to speak with Lee Teng hui, who in March 1996 won a landslide victory in the first direct presidential elections in the Republic of China (Taiwan). The interview, which… …
100Physical 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… …
