Columbia Encyclopedia
Search results
25 results found
helicopter
(Encyclopedia)helicopter, type of aircraft in which lift is obtained by means of one or more power-driven horizontal propellers called rotors. When the rotor of a helicopter turns it produces reaction torque which ...Sikorsky, Igor Ivanovich
(Encyclopedia)Sikorsky, Igor Ivanovich sĭkôrˈskē [key], 1889–1972, American aeronautical engineer, b. Kiev, Russia. He immigrated to the United States in 1919 and was naturalized in 1928. Sikorsky built and f...Fountain Valley
(Encyclopedia)Fountain Valley, city (2020 pop. 57,047), Orange co., S Calif.; inc. 1957. Chiefly residential, Fountain Valley also has diverse manufactures, including...Hiller, Stanley, Jr.
(Encyclopedia)Hiller, Stanley, Jr., 1924–2006, American aeronautical engineer and business executive, b. San Francisco. At 12 years old, he designed and produced gas-propelled toy cars, a business that led to the...heliport
(Encyclopedia)heliport, airport designed exclusively for helicopter traffic. ...Issy-les-Moulineaux
(Encyclopedia)Issy-les-Moulineaux ēsēˈ-lā-mo͞olēnōˈ [key], suburb SW of Paris, Hauts-de-Seine dept., N central France. It i...autogiro
(Encyclopedia)autogiro jīˈrəplān [key], type of aircraft supported in the air by a horizontally mounted airfoil similar to that of a helicopter but unpowered. Invented by the Spaniard Juan de la Cierva, it was ...Allison, Bobby
(Encyclopedia)Allison, Bobby (Robert Arthur Allison), 1937–, American auto racing driver, b. Miami, Fla. The hard-charging Allison drove the National Association for Stock Car Auto Racing circuit from 1965 to 198...Bloomfield
(Encyclopedia)Bloomfield. 1 Town (2020 pop. 21,535), Hartford co., N Conn., a suburb of Hartford, in a tobacco and dairy region; settled c.1642, inc. 1835. ...Hewitt, Peter Cooper
(Encyclopedia)Hewitt, Peter Cooper hyo͞oˈĭt [key], 1861–1921, American scientist and inventor, b. New York City; son of Abram S. Hewitt and grandson of Peter Cooper. He invented a mercury-vapor lamp and a merc...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
