turbulence tests
41Pilot certification in the United States — Front side of an airman certificate issued by the FAA …
42Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
43Project Orion (nuclear propulsion) — An artist s conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. Project Orion was a study of a spacecraft intended to be directly propelled by a series of explosions of atomic bombs behind the… …
44Lucky imaging — M15 coreLucky imaging (also called lucky exposures) is one form of speckle imaging used for astronomical photography. Speckle imaging techniques use a high speed camera with exposure times short enough (100 ms or less) so that the changes in the… …
45Reynolds number — In fluid mechanics and heat transfer, the Reynolds number mathrm{Re} is a dimensionless number that gives a measure of the ratio of inertial forces ({old mathrm V} ho) to viscous forces (mu / L) and, consequently, it quantifies the relative… …
46Caterham 7 CSR — Infobox Automobile name = CSR 200/260 manufacturer = Caterham Cars Ltd engine = 2.3 liter inline four Ford Duratec tuned by Cosworth; 200 or convert|260|bhp|abbr=on transmission = Standard 5 speed (200 model), Custom Caterham close ratio 6 speed… …
47Gas — This article is about the physical properties of gas as a state of matter. For the uses of gases, and other meanings, see Gas (disambiguation). Ga …
48Vent — Pour les articles homonymes, voir Vent (homonymie). Le vent est le mouvement d’une atmosphère, masse de gaz située à la surface d une planète. Les vents les plus violents connus ont lieu sur Neptune et sur Saturne. Il est essentiel à tous les… …
49FRENKIEL — POLAND (see also List of Individuals) 19.9.1910 Warszawa/PL 9.7.1986 Rockwell MD/USA François Naftali Frenkiel graduated as a mechanical engineer from Gent University, Belgium and made additional studies in aeronautical engineering at Lille… …
50KUMIN — RUSSIA (see also List of Individuals) 27.9.1908 Ketovo/RU 5.3.1959 Leningrad/RU Dmitri Ivanovich Kumin originated from the Nijegorodskaya region along Volga River. He graduated as a civil engineer from the Leningrad Polytechnic Institute in 1930… …
