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An electric organ, also known as electronic organ, is an electronic keyboard instrument which was derived from the harmonium, pipe organ and theatre organ. Originally designed to imitate their sound, or orchestral sounds, it has since developed into several types of instruments: Hammond-style organs used in pop, rock and jazz;
The machine gun emerged as a decisive weapon during World War I. Picture: British Vickers machine gun crew on the Western Front. Technology during World War I (1914–1918) reflected a trend toward industrialism and the application of mass-production methods to weapons and to the technology of warfare in general.
The swan-song of synchronization belongs to the last reciprocating engine Soviet fighters, which largely made do with slow firing synchronized cannon throughout the World War II period and after. In fact, the very last synchronizer-equipped aircraft to see combat action were the Lavochkin La-11 and the Yakovlev Yak-9 during the Korean War .
In 1942, the British nuclear weapons research had fallen behind US and unable to match US resources, the United Kingdom agreed to merging their work with the American efforts. Around 20 British scientists and technical staff to America, along with their work, which had been carried out under the codename ' Tube Alloys '.
This is a list of World War II electronic warfare equipment and code words and tactics derived directly from the use of electronic equipment.. This list includes many examples of radar, radar jammers, and radar detectors, often used by night fighters; also beam-guidance systems and radio beacons.
These systems were replaced by cheaper and more versatile electrical systems, but by the end of the 19th century, city planners and financiers were well aware of the benefits, economics, and process of establishing power transmission systems. In the early days of electric power usage, widespread transmission of electric power had two obstacles ...
Frogmen: the first modern frogmen were the World War II Italian commando frogmen. Marine infantry -as modern concept of armed troops for defending ships in combat, repel mutinies, and perform organized military landings- were created in vice-realm of Naples in 1537, by Spain King Carlos I, Compañías Viejas del Mar de Nápoles , and ...
In the years immediately following World War II, the military was by far the most significant patron of university science research in the U.S., and the national labs also continued to flourish. [20] After two years in political limbo (but with work on nuclear power and bomb manufacture continuing apace) the Manhattan Project became a permanent ...