equivalent faults
91Contour line — This article is about lines of equal value in maps and diagrams. For more meanings of the word contour , see Contour (disambiguation). The bottom part of the diagram shows some contour lines with a straight line running through the location of… …
92HAL Tejas — infobox Aircraft name =Tejas type =Multirole fighter manufacturer =Aeronautical Development Agency Hindustan Aeronautics Limited caption = Pair of Tejas flying in formation designer = first flight =4 January 2001 introduction =Planned by 2010/11… …
93X-machine — The X machine ( XM ) is a theoretical model of computation introduced by Samuel Eilenberg in 1974.S. Eilenberg (1974) Automata, Languages and Machines, Vol. A . Academic Press, London.] The X in X machine represents the fundamental data type on… …
94Capacitor plague — The capacitor plague (also known as bulging capacitors, bad capacitors, bad caps, popped caps, swollen caps or bloated capacitors) involved the common premature failure of certain brands of electrolytic capacitors used in various electronics… …
95Quake (natural phenomenon) — A quake is the result when the surface of a planet, moon or star begins to shake. Types of quakes include: Contents 1 Earthquake 2 Moonquake 3 Marsquake 4 Venusquake …
96Diffraction topography — (short: topography ) is an X ray imaging technique based on Bragg diffraction. Diffraction topographic images ( topographs ) record the intensity profile of a beam of X rays (or, sometimes, neutrons) diffracted by a crystal. A topograph thus… …
97Gheorghe Ursu — Gheorghe Emil Ursu (colloquially known as Babu Ursu; July 1, 1926 November 17, 1985) was a Romanian construction engineer, poet, diarist and dissident. A left wing activist and avant garde intellectual who joined the Romanian Communist Party as a …
98Counterfeit coin problem — Information theory was created in 1948 by Claude Shannon. This theory has notably enriched the field of research into mathematics, economics, biology, psychology, semantics, etc. As an example, this theory recently contributed to quantum… …
99environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
100sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
