amateur binding
51Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
52Sixto Escobar — Infobox Boxer name=Sixto Escobar imagesize=200px realname=Sixto Escobar Vargas nickname= El Gallito height=height|ft=5|in=4 weight=Bantamweight reach= nationality=PUR birth date=March 23, 1913 birth place=Barceloneta, Puerto Rico death… …
53DC connector — A DC connector (or DC plug, for one common type of connector) is an electrical connector for supplying direct current (DC) power. Unlike domestic AC power plugs and sockets, DC connectors are not generally standardized. The dimensions and… …
54Doping in sport — In sports, doping refers to the use of performance enhancing drugs, particularly those forbidden by organizations that regulate competitions. Doping is mostly done to improve athletic performance. This is why many sports ban the use of… …
55Blue Network — NBC Blue Network/ Blue Network Type Radio …
56Criticism of Wikipedia — Wikipedia is the largest free content encyclopedia project written by volunteers, as a result of which, it has attracted criticism. Notable criticisms include that its open nature makes it unauthoritative and unreliable (see Reliability of… …
57Astronomy Now — is a monthly British magazine on astronomy and is the UK s best selling astronomy magazine, featuring a mix of articles ranging from how to observe the night sky to the latest discoveries in the Solar System and in deep space. The magazine… …
58Finland — /fin leuhnd/, n. 1. Finnish, Suomi. a republic in N Europe: formerly a province of the Russian Empire. 5,109,148; 130,119 sq. mi. (337,010 sq. km). Cap.: Helsinki. 2. Gulf of, an arm of the Baltic, S of Finland. * * * Finland Introduction Finland …
59Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
60Devambez — Industry Engraver, Art Edition Predecessor Brasseux Jeune, Beltz Founded 1826 Founder(s) Édouard Devambez Headquarters Paris, France …
