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Beach, Moses Yale

(Encyclopedia)Beach, Moses Yale, 1800–1868, American journalist, b. Wallingford, Conn. As a young man he invented a rag-cutting machine and a gunpowder engine. In 1838 he bought the New York Sun from his brother-...

tall tale

(Encyclopedia)tall tale, extravagantly and humorously exaggerated story of the backwoods exploits of an American frontiersman. Originating in the 1820s, the genre remained popular well into the 20th cent. One of th...

water, desalination of

(Encyclopedia)water, desalination of, process of removing soluble salts from water to render it suitable for drinking, irrigation, or industrial uses. The principal methods used for desalination include distillatio...

power, electric

(Encyclopedia)power, electric, energy dissipated in an electrical or electronic circuit or device per unit of time. The electrical energy supplied by a current to an appliance enables it to do work or provide some ...

Douglas, Donald Wills

(Encyclopedia)Douglas, Donald Wills, 1892–1981, aviation pioneer and aerospace executive, b. Brooklyn, N.Y., B.S. Massachusetts Institute of Technology, 1914. He helped design the first wind tunnel (1914–15) an...

torque

(Encyclopedia)torque, in physics, that which tends to change the rate of rotation of a body; also called the moment of force. The torque produced by rotating parts of an electric motor or internal-combustion engine...

combine

(Encyclopedia)combine kŏmˈbīn [key], agricultural machine that performs both harvesting and threshing operations. Although it was not widely used until the 1930s, the combine was in existence as early as 1830. E...

monitor, type of warship

(Encyclopedia)monitor, type of turreted warship (no longer used) carrying heavy guns, having little draft, and lying low in the water. Monitors were so called from the first of the class, the Monitor, built for the...

Mahan, Alfred Thayer

(Encyclopedia)Mahan, Alfred Thayer məhănˈ [key], 1840–1914, U.S. naval officer and historian, b. West Point, N.Y. A Union naval officer in the Civil War, he later lectured on naval history and strategy at the ...

Baltimore & Ohio Railroad

(Encyclopedia)Baltimore & Ohio Railroad (B&O), first U.S. public railroad, chartered in 1827 by a group of Baltimore businessmen to regain trans-Allegheny traffic lost to the newly opened Erie Canal. Constr...