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(Encyclopedia) Cleveland.
1 City (2020 pop. 372,674), seat of Cuyahoga co., NE Ohio, on
Lake Erie at the mouth of the Cuyahoga River; laid out (1796) by Moses
...
(Encyclopedia) progressive education, movement in American education. Confined to a period between the late 19th and mid-20th cent., the term “progressive education” is generally used to refer only to those educ...
(Encyclopedia) Jupiter jo͞oˈpətər [key], in astronomy, 5th planet from the sun and largest planet of the solar system.
Astronomers have discovered 79 satellites orbiting Jupiter, but five of those, small sate...
(Encyclopedia) Bowie, David, 1947–2016, British rock-and-roll singer and songwriter who successfully, merged rock, art, and fashion, b. London as David Robert Jones. After singing with five different bands in the ...
(Encyclopedia) Cepheid variables sēˈfēĭd [key], class of variable stars that brighten and dim in an extremely regular fashion. The periods of the fluctuations (the time to complete one cycle from bright to dim a...
(Encyclopedia) Kuiper, Gerard Peter or Gerrit Pieter gĕrˈĭt pēˈtər kīˈpər [key], 1905–73, American astronomer, b. the Netherlands. Kuiper is considered to be the father of modern planetary science for his...
(Encyclopedia) Baryshnikov, Mikhail mĭˈkhail bərĭˌshnĭkävˈ [key], 1948–, Russian-American dancer and choreographer, b. Riga, Latvia (then in the USSR). He studied in Riga and performed with the Kirov Balle...
(Encyclopedia) Vonnegut, Kurt, Jr. vŏnˈəgət [key] 1922–2007, American novelist, b. Indianapolis. After serving in World War II, he worked as a police reporter and wrote short stories for mainstream and science...
(Encyclopedia) 3D printer, computerized device that produces a three-dimensional object by creating it as a series of thin layers. The object is created from a model stored in computer-aided design file; the model i...
(Encyclopedia) universal time (UT), the international time standard common to every place in the world, it nominally reflects the mean solar time along the earth's prime meridian (renumbered to equate to civil time)...