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Ptolemy
(Encyclopedia)Ptolemy (Claudius Ptolemaeus), fl. 2d cent. a.d., celebrated Greco-Egyptian mathematician, astronomer, and geographer. He made his observations in Alexandria and was the last great astronomer of ancie...neutrino astronomy
(Encyclopedia)neutrino astronomy, study of stars by means of their emission of neutrinos, fundamental particles that result from nuclear reactions and are emitted by stars along with light. Approximately 100 billio...Mabinogion
(Encyclopedia)Mabinogion măbĭnōˈgēən [key], title given to a collection of medieval Welsh stories. Scholars differ as to the meaning of the word mabinogion: some think it to be the plural of the Welsh word ma...Coward, Noël
(Encyclopedia)Coward, Noël (Sir Noël Pierce Coward) nōˈəl [key], 1899–1973, English playwright, actor, composer, and director, b. Teddington, England. Coward first gained wide prominence in 1924 acting in hi...Alcott, Louisa May
(Encyclopedia)Alcott, Louisa May, 1832–88, American author, b. Germantown, Pa.; daughter of Bronson Alcott. Mostly educated by her father, she was a friend of Emerson and Thoreau, and her first book, Flower Fable...cloud computing
(Encyclopedia)cloud computing, the delivery of shared computing resources over a network in a manner that makes accessing and configuring those resources convenient and largely independent of the use of a required ...Wolfe, Thomas Clayton
(Encyclopedia)Wolfe, Thomas Clayton, 1900–1938, American novelist, b. Asheville, N.C., grad. Univ. of North Carolina, 1920, M.A. Harvard, 1922. An important 20th-century American novelist, Wolfe wrote four mammot...flood, in hydrology
(Encyclopedia)flood, inundation of land by the rise and overflow of a body of water. Floods occur most commonly when water from heavy rainfall, from melting ice and snow, or from a combination of these exceeds the ...Port Authority of New York and New Jersey
(Encyclopedia)Port Authority of New York and New Jersey, self-sustaining public corporation established in 1921 by the states of New York and New Jersey to administer the activities of the New York–New Jersey por...Bancroft, George
(Encyclopedia)Bancroft, George, 1800–1891, American historian and public official, b. Worcester, Mass. He taught briefly at Harvard and then at the Round Hill School in Northampton, Mass., of which he was a found...Browse by Subject
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