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Timeline: Video Games | Part II: 1975-1984

Timeline: Video GamesPart II: 1975-1984 by Amanda Kudler 1975 1978 1981 1983 Next: 1985-1995 1975 Atari's Pong is released with help from Sears Roebuck, which finances the production of 150,000…

Timeline: Video Games | Part III: 1985-1995

Timeline: Video GamesPart III: 1985-1995 by Amanda Kudler 1985 1986 1989 1991 1993 1994 1995 Next: 1996-present 1985 The popular game Tetris is developed by Russian programmer Alex Pajitnov. It…

Timeline: Video Games | Part IV: 1995-present

Part IV: 1995-present by Amanda Kudler 1995 1996 1997 1998 1999 2000 2001 2004 2005 2006 2007 2008 1995 Sony brings the PlayStation to the U.S. and sells the console for $299. Nintendo…

Measuring Body Mass

Grain products, vegetables, and fruits are key parts of a varied diet. They are emphasized in this guideline because they provide vitamins, minerals, complex…

Guinea Pigs

Guinea Pigs How to Care for Guinea Pigs A descendant of the wild guinea pigs of South America, today's domesticated guinea pig is viewed by many as an "easy" pet for children. Many parents…

compact disc

(Encyclopedia) compact disc (CD), a small plastic disc used for the storage of digital data. As originally developed for audio systems, the sound signal is sampled at a rate of 44,100 times a second…

Clairton

(Encyclopedia) Clairton, city (2020 pop. 6,475), Allegheny co., SW Pa., an industrial suburb of Pittsburgh, on the Monongahela River; settled 1770, inc…