shadowgraph

  • 31Robert Hooke — Infobox Scientist name = Robert Hooke box width = 300px image width = 300px caption = birth date = birth date|1635|7|18 birth place = Freshwater, Isle of Wight, England death date = death date and age|1703|03|03|1635|07|18 death place = London,… …

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  • 32Gerald Bull — Gerald Vincent Bull (March 9, 1928 March 22, 1990) was a Canadian engineer who developed long range artillery. He moved from project to project in his quest to economically launch a satellite using a huge artillery piece. To this end he designed… …

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  • 33Shock wave — Bombshock redirects here. For the Transformers character, see Micromasters#Bombshock. For other uses, see shockwave. Schlieren photograph of an attached shock on a sharp nosed supersonic body. A shock wave (also called shock front or simply shock …

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  • 34Muhal Richard Abrams — Muhal Richard Abrams, Moers Festival 2009 Background information Born September 19, 1930 (1930 09 19 …

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  • 35Mach-Zehnder interferometer — The Mach Zehnder interferometer (named after physicists Ludwig Mach (son of Ernst Mach) and Ludwig Zehnder) is a device used to determine the phase shift caused by a small sample which is placed in the path of one of two collimated beams (thus… …

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  • 36Royal Observer Corps — Ensign Active 1925–1996 Country …

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  • 37United Kingdom Warning and Monitoring Organisation — The United Kingdom Warning and Monitoring Organisation (UKWMO) was a British civilian organisation operating between 1957 and 1992 to provide the authorities with data about nuclear explosions and forecasts of likely fallout profiles across the… …

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  • 38Asian African Association for Plasma Training — The Asian African Association for Plasma Training, or AAAPT, is an organization/network founded on 7 June, 1988 to provide facilities for plasma research by small research groups in developing countries.Originally, it consisted of nineteen… …

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  • 39Schlieren — (from German; singular schliere ) are optical inhomogeneities in transparent material not visible to the human eye. Schlieren physics developed out of the need to produce high quality lenses void of these inhomogeneities. These inhomogeneities… …

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  • 40Density gradient — is a spatial variation in density over an area. The term is used in the natural sciences to describe varying density of matter, but can apply to any quantity whose density can be measured. [1] [2] Contents 1 Aerodynamics 2 …

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