return fluid
51Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
52test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
53International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
54Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …
55STS-62 — Infobox Space mission mission name = STS 62 insignia = Sts 62 patch.png shuttle = Columbia launch pad = 39 B launch = March 4, 1994, 8:53:01 a.m. EST landing = March 18, 1994, 8:10:42 a.m. EST, KSC Runway 33 duration = 13 days, 23 hours, 16… …
56Hydropneumatic suspension — Hydropneumatic is a type of automotive suspension system, invented by Citroën, and fitted to Citroën cars, as well as being adapted by other car manufacturers, notably Rolls Royce, Mercedes Benz and Peugeot. It was also used on Berliet trucks.… …
57physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
58Boiler — For the Limp Bizkit song, see Boiler (song). A portable boiler (preserved, Poland) …
59USS America (CV-66) — The third USS America (CV 66), formerly CVA 66, was a Kitty Hawk class supercarrier of the United States Navy that served from 1965 to 1996.Construction and shakedownOriginally ordered as an Enterprise class nuclear carrier, the ballooning costs… …
60Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …
