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seasickness

(Encyclopedia)seasickness: see motion sickness.

(Encyclopedia)Stamford, city (1990 pop. 108,056), Fairfield co., SW Conn., on Long Island Sound; settled 1641, inc. 1893 as a city within the town of Stamford (the two were consolidated in 1949). A variety of light...

ultrasonics

(Encyclopedia)ultrasonics, study and application of the energy of sound waves vibrating at frequencies greater than 20,000 cycles per second, i.e., beyond the range of human hearing. The application of sound energy...

moving pictures

(Encyclopedia)moving pictures: see motion pictures. ...

car sickness

(Encyclopedia)car sickness: see motion sickness. ...

Sitter, Willem de

(Encyclopedia)Sitter, Willem de vĭlˈəm də sĭtˈər [key], 1872–1934, Dutch astronomer and mathematician. He was professor from 1908 at the Univ. of Leiden and in 1919 became director of its observatory. His ...

communications industry

(Encyclopedia)communications industry, broadly defined, the business of conveying information. Although communication by means of symbols and gestures dates to the beginning of human history, the term generally ref...

impasto

(Encyclopedia)impasto ĭmpăsˈtō, –päˈstō [key], thickly applied paint that projects from the picture surface. Such works as Childe Hassam's Allies Day (1917; National Gall. of Art, Washington, D.C.) and Han...

Bone, Henry

(Encyclopedia)Bone, Henry, 1755–1834, English enamel painter. He decorated china at Plymouth and Bristol and later went to London, where he was employed in making small enameled pieces and miniatures. In 1780 he ...

shock absorber

(Encyclopedia)shock absorber, device for reducing the effect of a sudden shock by the dissipation of the shock's energy. On an automobile, springs and shock absorbers are mounted between the wheels and the frame. W...