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jet propulsion

(Encyclopedia)CE5 Types of jet engines: In the propeller-driven turbine a stream of high-velocity gases provides the power to drive the turbine and turn the propeller. In the jet-driven turbine the stream of gas...

Milky Way

(Encyclopedia)CE5 Position of the sun in the Milky Way Milky Way, the galaxy of which the sun and solar system are a part, seen as a broad band of light arching across the night sky from horizon to horizon; if ...

pressure

(Encyclopedia)pressure, in mechanics, ratio of the force acting on a surface to the area of the surface; it is thus distinct from the total force acting on a surface. A force can be applied to and sustained by a si...

Qatar

(Encyclopedia)CE5 Qatar or Katar both: kŭˈtər, gŭ–, kətärˈ [key], officially State of Qatar, independent emirate (2015 est. pop. 2,482,000), c.4,400 sq mi (11,400 sq km), E Arabia, coextensive with the ...

Davy, Sir Humphry

(Encyclopedia)Davy, Sir Humphry, 1778–1829, English chemist and physicist. The son of a woodcarver, he received his early education at Truro and was apprenticed (1795) to a surgeon-apothecary at Penzance. While d...

chloroform

(Encyclopedia)chloroform trīˌklôrōmĕthˈān [key], CHCl3, volatile, colorless, nonflammable liquid that has a sweetish taste and a somewhat pungent odor; it boils at 61.7℃. It dissolves freely in ethanol and...

Coanda effect

(Encyclopedia)Coanda effect or wall-attachment effect, the tendency of a moving fluid, either liquid or gas, to attach itself to a surface and flow along it. As a fluid moves across a surface a certain amount of fr...

isopropanol

(Encyclopedia)isopropanol, isopropyl alcohol, or 2-propanol īˌsəprōˈpənōl, īˌsəprōˈpĭl [key], (CH3)2CHOH, a colorless liquid that is miscible with water. It melts at −89℃ and boils at 82.3℃. It ...

Anderson, cities, United States

(Encyclopedia)Anderson. 1 City (2020 pop. 54,788), seat of Madison co., E central Ind., on the White River; inc. 1838. It is a manufacturing center in a fertile farm area; food products, aircraft ...

Grand Rapids

(Encyclopedia)Grand Rapids. <1> City (2020 pop. 198,917), seat of Kent co., SW central Mich., on the Grand River; inc. 1850. The second largest city in the stat...