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D'Alembert's principle

(Encyclopedia)D'Alembert's principle dălˈəmbârzˌ [key], in mechanics, principle permitting the reduction of a problem in dynamics to one in statics. This is accomplished by introducing a fictitious force equal...

Gage, Thomas, English traveler

(Encyclopedia)Gage, Thomas, d. 1656, English traveler. He went (1612) to Spain to study and became a Dominican. He lived and traveled among the Native populations of Central America from 1625 to 1637, when he retur...

Horsley, Samuel

(Encyclopedia)Horsley, Samuel hôrzˈlē [key], 1733–1806, English prelate, noted as a scientist. He became bishop of St. David's in 1788, of Rochester in 1793, and of St. Asaph in 1802. Science was the field in ...

inclined plane

(Encyclopedia)CE5 Inclined plane inclined plane, simple machine, consisting of a sloping surface, whose purpose is to reduce the force that must be applied to raise a load. To raise a body vertically a force mu...

Athelstan

(Encyclopedia)Athelstan or Æthelstan both: ăthˈəlstən, ăthˈĕlstän [key], d. 939, king of Wessex (924–39), son and successor of Edward the Elder. After coming to the throne, he vigorously built up his kin...

Unser, Al

(Encyclopedia)Unser, Al (Alfred Unser, Sr.) ŭnˈsər [key] 1939–2021, American automobile racing driver, b. Albuquerque, ...

Edward the Elder

(Encyclopedia)Edward the Elder, d. 924, king of Wessex (899–924), son and successor of Alfred. He fought with his father against the Danes. At Alfred's death (899) Edward's succession was disputed by his cousin �...

Nobel Memorial Prize in Economic Sciences

(Encyclopedia)Nobel Memorial Prize in Economic Sciences: see Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel under Nobel Prize. ...

Joplin

(Encyclopedia)Joplin jŏpˈlĭn [key], city (1990 pop. 40,961), Jasper and Newton counties, SW Mo., at the edge of the Ozarks; settled c.1839, inc. 1873. It is a railroad center, the shipping and processing point o...

Picard, Jean

(Encyclopedia)Picard, Jean, 1620–82, French astronomer, noted for having made the first accurate measurement of a degree of the earth's meridian. The figures he established were of great value to Newton in his ca...