pulses per second
71Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …
72Rhythm — For other uses, see Rhythm (disambiguation). Rhythm, a sequence in time repeated, featured in dance: an early moving picture demonstrates the waltz …
73pulsar — /pul sahr/, n. Astron. one of several hundred known celestial objects, generally believed to be rapidly rotating neutron stars, that emit pulses of radiation, esp. radio waves, with a high degree of regularity. [1965 70; puls(ating st)ar, on the… …
74radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining …
75Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
76gps — gallons per second. Also, GPS, g.p.s. * * * ▪ navigation Introduction in full Global Positioning System space based radio navigation system that broadcasts highly accurate navigation pulses to users on or near the Earth. In the United… …
77electronics — /i lek tron iks, ee lek /, n. (used with a sing. v.) the science dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors. [1905 10; see ELECTRONIC,… …
78Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …
79GPS — Global Positioning System. See NAVSTAR Global Positioning System. * * * ▪ navigation Introduction in full Global Positioning System space based radio navigation system that broadcasts highly accurate navigation pulses to users on or near… …
80gravitation — gravitational, adj. gravitationally, adv. /grav i tay sheuhn/, n. 1. Physics. a. the force of attraction between any two masses. Cf. law of gravitation. b. an act or process caused by this force. 2. a sinking or falling …
