slow-acting channel
41Radio communications during the September 11 attacks — This article reviews some of the details of radio communications at the September 11, 2001 World Trade Center attacks. [The purpose of revealing the operational details in this article is to allow operators of other communications networks and… …
42Nitrazepam — Systematic (IUPAC) name …
43Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
44Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
45Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… …
46MythBusters (2011 season) — Country of origin Australia United States Broadcast Original channel Discovery Channel Original run …
47tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
48Maritime history of California — History of California This article is part of a series Timeline …
49Assassination of John F. Kennedy — Kennedy assassination redirects here. For the assassination of Robert F. Kennedy, see Assassination of Robert F. Kennedy. Assassination of John F. Kennedy President Kennedy with his wife, Jacqueline, and Texas Governor John Connally in the… …
50Lorazepam — Systematic (IUPAC) name (RS) 9 chloro 6 (2 chlorophenyl) 4 hydroxy …
