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aerodynamics

(Encyclopedia)aerodynamics, study of gases in motion. As the principal application of aerodynamics is the design of aircraft, air is the gas with which the science is most concerned. Although aerodynamics is primar...

French and Indian Wars

(Encyclopedia)French and Indian Wars, 1689–1763, the name given by American historians to the North American colonial wars between Great Britain and France in the late 17th and the 18th cent. They were really cam...

prison

(Encyclopedia)prison, place of confinement for the punishment and rehabilitation of criminals. By the end of the 18th cent. imprisonment was the chief mode of punishment for all but capital crimes. At that time, la...

balloon

(Encyclopedia)balloon, lighter-than-air craft without a propulsion system, lifted by inflation of one or more containers with a gas lighter than air or with heated air. During flight, altitude may be gained by disc...

Taft, William Howard

(Encyclopedia)Taft, William Howard, 1857–1930, 27th President of the United States (1909–13) and 10th chief justice of the United States (1921–30), b. Cincinnati. Taft retired from public life and taught ...

Freemasonry

(Encyclopedia)Freemasonry, teachings and practices of the secret fraternal order officially known as the Free and Accepted Masons, or Ancient Free and Accepted Masons. Because of its identification with 19th-cent...

Java

(Encyclopedia)Java jäˈvə [key], island (1990 pop. 107,525,520), c.51,000 sq mi (132,090 sq km), Indonesia, S of Borneo, from which it is separated by the Java Sea, and SE of Sumatra across Sunda Strait. Although...

feminism

(Encyclopedia)feminism, movement for the political, social, and educational equality of women with men; the movement has occurred mainly in Europe and the United States. It has its roots in the humanism of the 18th...

science fiction

(Encyclopedia)science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of the events recou...

magic, in entertainment

(Encyclopedia)magic, in entertainment, the seeming manipulation and supernatural control of the natural world for the amusement and amazement of an audience. Entertainment magic can be divided into four main catego...