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Athelney, Isle of

(Encyclopedia)Athelney, Isle of ăthˈəlnē [key], small area formerly surrounded by marshland, Somerset, SW England. King Alfred took refuge from the Danes there in 878 and founded a Benedictine abbey in 888. Rel...

Boston College

(Encyclopedia)Boston College, main campus at Chestnut Hill, Mass.; coeducational; Jesuit; est. and opened 1863. Actually a university, the school's Chestnut Hill campus comprises colleges of arts and sciences and b...

mks system

(Encyclopedia)mks system, system of units of measurement based on the metric system and having the meter of length, the kilogram of mass, and the second of time as its fundamental units. Other mks units include the...

Davenport, Herbert Joseph

(Encyclopedia)Davenport, Herbert Joseph, 1861–1931, American economist, b. Wilmington, Vt., Ph.D. Univ. of Chicago, 1898. He taught at the Univ. of Missouri and at Cornell. In Value and Distribution (1908) and Th...

Clarke, Samuel

(Encyclopedia)Clarke, Samuel, 1675–1729, English philosopher and divine. His chief interest was rational theology, and, although a critic of the deists, he was in sympathy with some of their ideas. He supported t...

Boscovich, Ruggiero Giuseppe

(Encyclopedia)Boscovich, Ruggiero Giuseppe ro͞od-jāˈrō jo͞ozĕpˈpā bôsˈkōvēch [key], 1711–87, Italian mathematician, astronomer, and physicist. He became a Jesuit and taught at Rome, Pavia, and Milan. ...

Æthelwulf

(Encyclopedia)Æthelwulf ĕˈthəlwo͝olf, ăˈ– [key], d. 858, king of Wessex (839–56), son and successor of Egbert; father of Æthelbert, Æthelred, and Alfred. He was lord of Kent, Surrey, Sussex, and Essex ...

atomism

(Encyclopedia)atomism, philosophic concept of the nature of the universe, holding that the universe is composed of invisible, indestructible material particles. The theory was first advanced in the 5th cent. b.c. b...

Halley, Edmond

(Encyclopedia)Halley, Edmond hălˈē, hôˈlē [key], 1656–1742, English astronomer and mathematician. He is particularly noted as the first astronomer to predict the return of a comet and the first to point out...

centripetal force and centrifugal force

(Encyclopedia)CE5 Centripetal and centrifugal forces: When a ball is swung in a circle at the end of a string, centripetal and centrifugal forces act as shown above. centripetal force and centrifugal force, act...