triple redundant system
71Laplace–Runge–Lenz vector — Throughout this article, vectors and their magnitudes are indicated by boldface and italic type, respectively; for example, left| mathbf{A} ight| = A. In classical mechanics, the Laplace–Runge–Lenz vector (or simply the LRL vector) is a vector… …
72Median graph — The median of three vertices in a median graph In mathematics, and more specifically graph theory, a median graph is an undirected graph in which any three vertices a, b, and c have a unique median: a vertex m(a,b,c) that belongs to shortest… …
73Newton's laws of motion — For other uses, see Laws of motion. Classical mechanics …
74Chadderton — Coordinates: 53°32′46″N 2°08′33″W / 53.5462°N 2.1426°W / 53.5462; 2.1426 …
75HD DVD — Media type High density optical disc Encoding …
76Decline and fall of Pedro II of Brazil — Emperor Pedro II in 1887 This article is part of a series related to Pedro II of Brazil …
77Destroyer — For other uses, see Destroyer (disambiguation). USS Winston S.Churchill, a US Navy Arleigh Burke class destroyer. In naval terminology, a destroyer is a fast and maneuverable yet long endurance warship intended to escort larger vessels in a fleet …
78Economy of SFR Yugoslavia — Despite common origins, the economy of the Socialist Federal Republic of Yugoslavia (SFRY) was much different from economies of the Soviet Union and other Eastern European socialist countries, especially after the Yugoslav Soviet break up of 1948 …
79Pinochle — The jack of diamonds and the queen of spades are the pinochle meld of pinochle. Type Trick taking Players 4 in partnerships or 3 individually, variants exist for 2 6 or 8 players Skill(s) required …
80Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
