small outline integrated circuit
111Czech Republic — a republic in central Europe: includes the regions of Bohemia, Moravia, and part of Silesia; formerly part of Czechoslovakia; independent since 1993. 10,318,958; 30,449 sq. mi. (78,864 sq. km). Cap.: Prague. * * * Czech Republic Introduction… …
112environment — 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… …
113Poland — /poh leuhnd/, n. a republic in E central Europe, on the Baltic Sea. 38,700,291; ab. 121,000 sq. mi. (313,400 sq. km). Cap.: Warsaw. Polish, Polska. * * * Poland Introduction Poland Background: Poland is an ancient nation that was conceived around …
114African-American Civil Rights Movement (1955–1968) — American Civil Rights Movement redirects here. For the earlier period, see African American Civil Rights Movement (1896–1954). Prominent figures of the African American Civil Rights Movement. Clockwise from top left: W. E. B. Du Bois, Malcolm X,… …
115Northern Ireland — This article is about the country. For other uses, see Northern Ireland (disambiguation). Northern Ireland Tuaisceart Éireann Norlin Airlann …
116Portugal — This article is about the country. For other uses, see Portugal (disambiguation). Portuguese Republic República Portuguesa (Portuguese) …
117Chasqui I — Operator  Peru National University of Engineering Mission type Scientific Satellite of Earth …
118History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
119Liberia — This article is about the country in Africa. For the city, see Liberia, Costa Rica. Republic of Liberia …
120Sound reinforcement system — A sound reinforcement system is an arrangement of microphones, electronic signal processors, amplifiers, and loudspeakers that makes live or pre recorded sounds usually music or speech louder, or that distributes the sound to a larger or more… …
