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cavalry

(Encyclopedia)cavalry, a military force consisting of mounted troops trained to fight from horseback. Horseback riding probably evolved independently in the Eurasian steppes and the mountains above the Mesopotamian...

glass

(Encyclopedia)glass, hard substance, usually brittle and transparent, composed chiefly of silicates and an alkali fused at high temperature. Glass has become invaluable in modern architecture, illumination, elect...

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...

Algiers

(Encyclopedia)Algiers älzhāˈ [key], city (2021 pop. 2,809,158), capital of Algeria, N Algeria, on the Bay of Algiers of the Mediterranean Sea. It is one of the leading ports of North...

Euripides

(Encyclopedia)Euripides yo͝orĭpˈĭdēz [key], 480 or 485–406 b.c., Greek tragic dramatist, ranking with Aeschylus and Sophocles. Born in Attica, he lived in Athens most of his life, though he spent much time o...

glider

(Encyclopedia)glider, type of aircraft resembling an airplane but having at most a small auxiliary propulsion plant and usually no means of propulsion at all. The typical modern glider has very slender wings and a ...

generator

(Encyclopedia)CE5 Generator: The rotation of the conducting coil of wire in a magnetic field causes a current to be induced in the coil. This current is alternating and is conducted from the coil by means of sli...

embroidery

(Encyclopedia)embroidery, ornamental needlework applied to all varieties of fabrics and worked with many sorts of thread—linen, cotton, wool, silk, gold, and even hair. Decorative objects, such as shells, feather...

bicycle

(Encyclopedia)bicycle, light, two-wheeled vehicle driven by pedals. The name velocipede is often given to early forms of the bicycle and to its predecessor, the dandy horse, a two-wheeled vehicle moved by the thrus...

steam engine

(Encyclopedia)CE5 Steam engine steam engine, machine for converting heat energy into mechanical energy using steam as a medium, or working fluid. When water is converted into steam it expands, its volume increa...