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71Weather radar — in Norman, Oklahoma with rainshaft …
72Monopsony — In economics, a monopsony (from Ancient Greek μόνος (monos) single + ὀψωνία (opsōnia) purchase ) is a market form in which only one buyer faces many sellers. It is an example of imperfect competition, similar to a monopoly, in which only one… …
73differential geometry — Math. the branch of mathematics that deals with the application of the principles of differential and integral calculus to the study of curves and surfaces. * * * Field of mathematics in which methods of calculus are applied to the local geometry …
74ALPHABET, HEBREW — The origin of alphabetic script has always been a subject of human curiosity. According to Greek mythology, script was brought to Greece from Phoenicia. This tradition was accepted by the Greek and Roman writers, some of whom developed it even… …
75World line — In physics, the world line of an object is the unique path of that object as it travels through 4 dimensional spacetime.The concept of world line is distinguished from the concept of orbit or trajectory (such as an orbit in space or a trajectory… …
76List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
77Olympic Sliding Centre Innsbruck — Four man wok racing at the 2006 World Championships held at the track. Germany s Georg Hackl is among the four man team on the track …
78Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
79Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole …
80Analytic geometry — Cartesian coordinates. Analytic geometry, or analytical geometry has two different meanings in mathematics. The modern and advanced meaning refers to the geometry of analytic varieties. This article focuses on the classical and elementary meaning …
