indicating relay
41Geostationary Operational Environmental Satellite — The Geostationary Operational Environmental Satellite (or GOES) program is a key element in United States National Weather Service (NWS) operations. GOES weather imagery and quantitative sounding data are a continuous and reliable stream of… …
42Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …
43PATCO Speedline — Overview Type Rapid transit Locale Philadelphia, Pennsylvania and …
44Bi-metallic strip — A bi metallic strip is used to convert a temperature change into mechanical displacement. The strip consists of two strips of different metals which expand at different rates as they are heated, usually steel and copper. The strips are joined… …
45Measuring network throughput — Throughput of a network can be measured using various tools available on different platforms. This page explains the theory behind what these tools set out to measure and the issues regarding these measurements. Contents 1 Reasons for measuring… …
46Morse v. Frederick — Supreme Court of the United States Argued March 19, 2007 Decided June 25, 2007 …
47Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
48China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …
49Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
50Wikipedia:Missing Wikipedians — Shortcuts: WP:MIA WP:MW WP:MISS WP:MISSYOU WP:MISS redirects here. You may be looking for Wikipedia:WikiProject …
