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121 condecoración militar
(n.) = Legion of MeritEx. He contributed substantively to the Second World War effort, for which he received the Legion of Merit; and from 1948 to 1965 he was a librarian with the staff of the Yale Medical Library.* * *(n.) = Legion of MeritEx: He contributed substantively to the Second World War effort, for which he received the Legion of Merit; and from 1948 to 1965 he was a librarian with the staff of the Yale Medical Library.
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122 diagnóstico por imagen
(n.) = diagnostic imagingEx. In the 1960's the principals of sonar (developed extensively during the Second World War) were applied to diagnostic imaging.* * *(n.) = diagnostic imagingEx: In the 1960's the principals of sonar (developed extensively during the Second World War) were applied to diagnostic imaging.
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123 paseo en barco
(n.) = boat tour, boating, boat ride, boat cruiseEx. The visit includs a boat tour on the Muritzsee and a box lunch (with one soft drink).Ex. Regattas & boating in general have become a ritual statement of collective identity defined as a relation between people & territory.Ex. We learn that the island, 'a three-hour boat ride from Naples,' served as as a shelter for Italian Jews during the Second World War.Ex. A matchmaking boat cruise open only to male millionaires and 'good-looking and desirable' women is slated to set sail later this month.* * *(n.) = boat tour, boating, boat ride, boat cruiseEx: The visit includs a boat tour on the Muritzsee and a box lunch (with one soft drink).
Ex: Regattas & boating in general have become a ritual statement of collective identity defined as a relation between people & territory.Ex: We learn that the island, 'a three-hour boat ride from Naples,' served as as a shelter for Italian Jews during the Second World War.Ex: A matchmaking boat cruise open only to male millionaires and 'good-looking and desirable' women is slated to set sail later this month. -
124 por la fuerza
against one's will* * *= forciblyEx. This film tells the moving story of the more than 40,000 Koreans who were forcibly conscripted as laborers by the Japanese during the Second World War.* * *= forciblyEx: This film tells the moving story of the more than 40,000 Koreans who were forcibly conscripted as laborers by the Japanese during the Second World War.
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125 Flettner, Anton
SUBJECT AREA: Aerospace[br]b. 1 November 1885 Eddersheim-am-Main, Germanyd. 29 December 1961 New York, USA[br]German engineer and inventor who produced a practical helicopter for the German navy in 1940.[br]Anton Flettner was an engineer with a great interest in hydraulics and aerodynamics. At the beginning of the First World War Flettner was recruited by Zeppelin to investigate the possibility of radio-controlled airships as guided missiles. In 1915 he constructed a small radio-controlled tank equipped to cut barbed-wire defences; the military experts rejected it, but he was engaged to investigate radio-controlled pilotless aircraft and he invented a servo-control device to assist their control systems. These servo-controls, or trim tabs, were used on large German bombers towards the end of the war. In 1924 he invented a sailing ship powered by rotating cylinders, but although one of these crossed the Atlantic they were never a commercial success. He also invented a windmill and a marine rudder. In the late 1920s Flettner turned his attention to rotating-wing aircraft, and in 1931 he built a helicopter with small engines mounted on the rotor blades. Progress was slow and it was abandoned after being damaged during testing in 1934. An autogiro followed in 1936, but it caught fire on a test flight and was destroyed. Undeterred, Flettner continued his development work on helicopters and in 1937 produced the Fl 185, which had a single rotor to provide lift and two propellers on outriggers to combat the torque and provide forward thrust. This arrangement was not a great success, so he turned to twin contra-rotating rotors, as used by his rival Focke, but broke new ground by using intermeshing rotors to make a more compact machine. The Fl 265 with its "egg-beater" rotors was ordered by the German navy in 1938 and flew the following year. After exhaustive testing, Flettner improved his design and produced the two-seater Fl 282 Kolibri, which flew in 1940 and became the only helicopter to be used operationally during the Second World War.After the war, Flettner moved to the United States where his intermeshing-rotor idea was developed by the Kaman Aircraft Corporation.[br]Bibliography1926, Mein Weg zum Rotor, Leipzig; also published as The Story of the Rotor, New York (describes his early work with rotors—i.e. cylinders).Further ReadingW.Gunston and J.Batchelor, 1977, Helicopters 1900–1960, London.R.N.Liptrot, 1948, Rotating Wing Activities in Germany during the Period 1939–45, London.K.von Gersdorff and K.Knobling, 1982, Hubschrauber und Tragschrauber, Munich (a more recent publication, in German).JDS -
126 Oberth, Hermann Julius
SUBJECT AREA: Aerospace[br]b. 25 June 1894 Nagyszeben, Transylvania (now Sibiu, Romania)d. 29 December 1989 Nuremberg, Germany[br]Austro-Hungarian lecturer who is usually regarded, with Robert Goddard, as one of the "fathers" of modern astronautics.[br]The son of a physician, Oberth originally studied medicine in Munich, but his education was interrupted by the First World War and service in the Austro-Hungarian Army. Wounded, he passed the time by studying astronautics. He apparently simulated weightlessness and worked out the design for a long-range liquid-propelled rocket, but his ideas were rejected by the War Office; after the war he submitted them as a dissertation for a PhD at Heidelberg University, but this was also rejected. Consequently, in 1923, whilst still an unknown mathematics teacher, he published his ideas at his own expense in the book The Rocket into Interplanetary Space. These included a description of how rockets could achieve a sufficient velocity to escape the gravitational field of the earth. As a result he gained international prestige almost overnight and learned of the work of Robert Goddard and Konstantin Tsiolkovsky. After correspondence with the Goddard and Tsiolkovsky, Oberth published a further work in 1929, The Road to Space Travel, in which he acknowledged the priority of Goddard's and Tsiolkovski's calculations relating to space travel; he went on to anticipate by more than thirty years the development of electric and ionic propulsion and to propose the use of giant mirrors to control the weather. For this he was awarded the annual Hirsch Prize of 10,000 francs. From 1925 to 1938 he taught at a college in Mediasch, Transylvania, where he carried out experiments with petroleum and liquid-air rockets. He then obtained a lecturing post at Vienna Technical University, moving two years later to Dresden University and becoming a German citizen. In 1941 he became assistant to the German rocket engineer Werner von Braun at the rocket development centre at Peenemünde, and in 1943 he began work on solid propellants. After the Second World War he spent a year in Switzerland as a consultant, then in 1950 he moved to Italy to develop solid-propellant anti-aircraft rockets for the Italian Navy. Five years later he moved to the USA to carry out advanced rocket research for the US Army at Huntsville, Alabama, and in 1958 he retired to Feucht, near Nuremberg, Germany, where he wrote his autobiography.[br]Principal Honours and DistinctionsFrench Astronautical Society REP-Hirsch Prize 1929. German Society for Space Research Medal 1950. Diesel German Inventors Medal 1954. American Astronautical Society Award 1955. German Federal Republic Award 1961. Institute of Aviation and Astronautics Medal 1969.Bibliography1923, Die Rakete zu den Planetenraumen; repub. 1934 as The Rocket into Interplanetary Space (autobiography).1929, Wege zur Raumschiffahrt [Road to Space Travel].1959, Stoff und Leben [Material and Life].Further ReadingR.Spangenburg and D.Moser, 1990, Space People from A to Z, New York: Facts on File. H.Wulforst, 1991, The Rocketmakers: The Dreamers who made Spaceflight a Reality, New York: Crown Publishers.KF / IMcN -
127 Watson-Watt, Sir Robert Alexander
[br]b. 13 April 1892 Brechin, Angus, Scotlandd. 6 December 1973 Inverness, Scotland[br]Scottish engineer and scientific adviser known for his work on radar.[br]Following education at Brechin High School, Watson-Watt entered University College, Dundee (then a part of the University of St Andrews), obtaining a BSc in engineering in 1912. From 1912 until 1921 he was Assistant to the Professor of Natural Philosophy at St Andrews, but during the First World War he also held various posts in the Meteorological Office. During. this time, in 1916 he proposed the use of cathode ray oscillographs for radio-direction-finding displays. He joined the newly formed Radio Research Station at Slough when it was opened in 1924, and 3 years later, when it amalgamated with the Radio Section of the National Physical Laboratory, he became Superintendent at Slough. At this time he proposed the name "ionosphere" for the ionized layer in the upper atmosphere. With E.V. Appleton and J.F.Herd he developed the "squegger" hard-valve transformer-coupled timebase and with the latter devised a direction-finding radio-goniometer.In 1933 he was asked to investigate possible aircraft counter-measures. He soon showed that it was impossible to make the wished-for radio "death-ray", but had the idea of using the detection of reflected radio-waves as a means of monitoring the approach of enemy aircraft. With six assistants he developed this idea and constructed an experimental system of radar (RAdio Detection And Ranging) in which arrays of aerials were used to detect the reflected signals and deduce the bearing and height. To realize a practical system, in September 1936 he was appointed Director of the Bawdsey Research Station near Felixstowe and carried out operational studies of radar. The result was that within two years the East Coast of the British Isles was equipped with a network of radar transmitters and receivers working in the 7–14 metre band—the so-called "chain-home" system—which did so much to assist the efficient deployment of RAF Fighter Command against German bombing raids on Britain in the early years of the Second World War.In 1938 he moved to the Air Ministry as Director of Communications Development, becoming Scientific Adviser to the Air Ministry and Ministry of Aircraft Production in 1940, then Deputy Chairman of the War Cabinet Radio Board in 1943. After the war he set up Sir Robert Watson-Watt \& Partners, an industrial consultant firm. He then spent some years in relative retirement in Canada, but returned to Scotland before his death.[br]Principal Honours and DistinctionsKnighted 1942. CBE 1941. FRS 1941. US Medal of Merit 1946. Royal Society Hughes Medal 1948. Franklin Institute Elliot Cresson Medal 1957. LLD St Andrews 1943. At various times: President, Royal Meteorological Society, Institute of Navigation and Institute of Professional Civil Servants; Vice-President, American Institute of Radio Engineers.Bibliography1923, with E.V.Appleton \& J.F.Herd, British patent no. 235,254 (for the "squegger"). 1926, with J.F.Herd, "An instantaneous direction reading radio goniometer", Journal ofthe Institution of Electrical Engineers 64:611.1933, The Cathode Ray Oscillograph in Radio Research.1935, Through the Weather Hours (autobiography).1936, "Polarisation errors in direction finders", Wireless Engineer 13:3. 1958, Three Steps to Victory.1959, The Pulse of Radar.1961, Man's Means to his End.Further ReadingS.S.Swords, 1986, Technical History of the Beginnings of Radar, Stevenage: Peter Peregrinus.KFBiographical history of technology > Watson-Watt, Sir Robert Alexander
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128 cruce en barco
(n.) = boat rideEx. We learn that the island, 'a three-hour boat ride from Naples,' served as as a shelter for Italian Jews during the Second World War.* * *(n.) = boat rideEx: We learn that the island, 'a three-hour boat ride from Naples,' served as as a shelter for Italian Jews during the Second World War.
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