free gyroscope
121geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… …
122spaceflight — /spays fluyt /, n. the flying of manned or unmanned spacecraft into or in outer space. Also, space flight. [1945 50; SPACE + FLIGHT1] * * * Introduction flight beyond Earth s atmosphere. This article deals with the basic concepts associated with …
123Bush, Vannevar — born March 11, 1890, Everett, Mass., U.S. died June 28, 1974, Belmont, Mass. U.S. electrical engineer and administrator. He taught principally at MIT (1919–38, 1955–71). In the late 1920s and 30s, Bush and his students built several electronic… …
124Phineas and Ferb (season 1) — Country of origin United States No. of episodes 26 Broadcast Original channel Disney Channel …
125Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
126Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …
127Pointing device — A pointing device is an input interface (specifically a human interface device) that allows a user to input spatial (ie, continuous and multi dimensional) data to a computer. CAD systems and graphical user interfaces (GUI) allow the user to… …
128Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …
