at a speed twice that of sound
71Operation Crossroads — Coordinates: 11°36′N 165°30′E / 11.6°N 165.5°E / 11.6; 165.5 …
72Circus (Britney Spears album) — Circus Studio album by Britney Spears Released November 28, 2008 ( …
73relativity — /rel euh tiv i tee/, n. 1. the state or fact of being relative. 2. Physics. a theory, formulated essentially by Albert Einstein, that all motion must be defined relative to a frame of reference and that space and time are relative, rather than… …
74military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
75Chevrolet Aveo (T200) — For a complete overview of all Aveo models, see Chevrolet Aveo. Chevrolet Aveo (T200) Manufacturer GM Daewoo (General Motors) Also called Che …
76Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
77Super Mario Bros. — This article is about the Super Mario Bros. video game for the Nintendo Entertainment System. For other uses, see Super Mario Bros. (disambiguation). Super Mario redirects here. For other uses, see Super Mario (disambiguation). Super Mario Bros …
78Optacon — The Optacon (OPtical to TActile CONverter)[1] is an electromechanical device that enables blind people to read printed material that has not been transcribed into Braille. Contents 1 Description 2 History …
79David L. Hough — For the U.S. Representative from New Hampshire (1753–1831), see David Hough (New Hampshire). David L. Hough Occupation Journalist Nationality …
80tennis — /ten is/, n. a game played on a rectangular court by two players or two pairs of players equipped with rackets, in which a ball is driven back and forth over a low net that divides the court in half. Cf. lawn tennis. See illus. under racket2.… …
