at a speed twice that of sound
11Analog sound vs. digital sound — Analog sound versus digital sound compares the two ways in which sound is recorded and stored. Actual sound waves consist of continuous variations in air pressure. Representations of these signals can be recorded in either digital or analog… …
12Mobile Fidelity Sound Lab — (MFSL or MoFi) is a company known as an innovator in the production of audiophile quality sound recordings. All releases are advertised as being produced from the first generation analog master recordings, and using proprietary technology, which… …
13High Speed Civil Transport — NOTOC The High Speed Civil Transport (HSCT) was a NASA project to design a supersonic transport. It was to be a future Supersonic Passenger Aircraft, able to fly Mach 2, or twice the speed of sound. The project started in 1990 and ended during… …
14Mach number — mäk n a number representing the ratio of the speed of a body to the speed of sound in a surrounding medium (as air) <a Mach number of 2 indicates a speed that is twice that of sound> …
15Lockheed Martin Corporation — ▪ American corporation Introduction major American diversified company with core business concentrations in aerospace products including aircraft, space launchers, satellites, and defense systems and other advanced technology systems and… …
16Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
17motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
18fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
19Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
20United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
