position indication probe
21ancient Greek civilization — ▪ historical region, Eurasia Introduction the period following Mycenaean civilization, which ended in about 1200 BC, to the death of Alexander the Great, in 323 BC. It was a period of political, philosophical, artistic, and scientific… …
22Timeline of astronomy — Timeline of astronomy2500 BCMany ancient sites are thought to have astronomical significance, such as the Ancient Egyptian pyramids, Harappan shell instruments, British megaliths, and buildings in China and Latin America.In Lothal, the ancient… …
23Germany — /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.… …
24Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …
25TWA Flight 800 — For the 1964 crash of a TWA Boeing 707 in Rome, Italy, see TWA Flight 800 (1964). TWA Flight 800 Recovered TWA 800 wreckage Accident summary Date …
26City of Bell scandal — Robert Rizzo redirects here. For the German musician, see Robert Hunecke Rizzo. City of Bell   City   …
27Climatic Research Unit email controversy — Date 17 November 2009 Location Climatic Research Unit, University of East Anglia Also known as Climategate Inquiries House of Commons Science and Technology Committee (UK)[1] Independent Climate Change Review (UK) International Science Assessment …
28Calendar of 1996 — ▪ 1997 JANUARY JANUARY 1 King Fahd cedes power Still experiencing the effects of a stroke suffered in November 1995, Saudi Arabia s King Fahd, who also held the post of prime minister, ceded temporary power to Crown Prince Abdullah,… …
29Earth 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… …
30Pitot-static system — A pitot static system is a system of pressure sensitive instruments that is most often used in aviation to determine an aircraft s airspeed, Mach number, altitude, and altitude trend. A pitot static system generally consists of a pitot tube, a… …
