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Barnes, Julian Patrick

(Encyclopedia)Barnes, Julian Patrick, English author, 1946–. During the 1970s and 80s he was a critic and editor for the New Statesman and New Review, a correspondent for The New Yorker, and a writer and editor f...

squid

(Encyclopedia)squid, carnivorous marine cephalopod mollusk. The squid is one of the most highly developed invertebrates, well adapted to its active, predatory life. The characteristic molluscan shell is reduced to ...

color

(Encyclopedia)color, effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different color cones of the...

lens, in optics

(Encyclopedia)CE5 Lenses lens, device for forming an image of an object by the refraction of light. In its simplest form it is a disk of transparent substance, commonly glass, with its two surfaces curved or wi...

Ferlinghetti, Lawrence

(Encyclopedia)Ferlinghetti, Lawrence fûrˈlĭng-gĕtˈē [key], 1919–2021, American author and publisher, b. Yonkers, N.Y, ...

folk medicine

(Encyclopedia)folk medicine, methods of curing by means of healing objects, herbs, or animal parts; ceremony; conjuring, magic, or witchcraft; and other means apart from the formalized practice of medical science. ...

maple

(Encyclopedia)maple, common name for the genus Acer of the Aceraceae, a family of deciduous trees and shrubs of the Northern Hemisphere, found mainly in temperate regions and on tropical mountain slopes. Acer, the ...

Vesta, in astronomy

(Encyclopedia)Vesta vĕsˈtə [key], in astronomy, the fourth asteroid to be discovered. It was found in 1807 by H. Olbers. It is the third largest asteroid in size, with a diameter of c.326 mi (525 km). Its averag...

virtual reality

(Encyclopedia)virtual reality (VR) or virtual environment (VE), computer-generated environment with and within which people can interact. The advantage of VR is that it can immerse people in an environment that wou...

Yorktown campaign

(Encyclopedia)Yorktown campaign, 1781, the closing military operations of the American Revolution. After his unsuccessful Carolina campaign General Cornwallis moved into Virginia to join British forces there. His l...