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flextime

(Encyclopedia)flextime, system of assigning hours for work that permits employees to choose, within specified limits, the hours that they will be at their place of employment. In many companies, there is a “core ...

Liebling, A. J.

(Encyclopedia)Liebling, A. J. (Abbott Joseph Liebling), 1904–63, American journalist, b. New York City. He left Dartmouth, attended the Columbia School of Journalism, and wrote for the Providence, R.I. Evening Bu...

Agriculture, United States Department of

(Encyclopedia)Agriculture, United States Department of, federal executive department established in 1862, whose head was made a cabinet member in 1889. The department administers federal programs related to food pr...

personal digital assistant

(Encyclopedia)personal digital assistant (PDA), lightweight, hand-held computer designed for use as a personal organizer with communications capabilities; also called a handheld. A typical PDA has no keyboard, rely...

analog-to-digital conversion

(Encyclopedia)analog-to-digital or A/D conversion, the process of changing continuously varying data, such as voltage, current, or shaft rotation, into discrete digital quantities that represent the magnitude of th...

fund-raising

(Encyclopedia)fund-raising, large-scale soliciting of voluntary contributions, especially in the United States. Fund-raising is widely undertaken by charitable organizations, educational institutions, and political...

network

(Encyclopedia)network, in computing, two or more computers connected for the purpose of routing, managing, and storing rapidly changing data. A local area network (LAN), which is restricted by distances of up to on...

Townes, Charles Hard

(Encyclopedia)Townes, Charles Hard, 1915–2015, American physicist and educator, b. Greenville, S.C. He was educated at Furman Univ., Duke, and the California Institute of Technology (Ph.D., 1939), was on the tech...

Schawlow, Arthur Leonard

(Encyclopedia)Schawlow, Arthur Leonard shôˈlō [key], 1921–99, American physicist, b. Mount Vernon, N.Y., grad. Univ. of Toronto (Ph.D. 1949). Although his research focused on optics, in particular, lasers and ...

Bardeen, John

(Encyclopedia)Bardeen, John bärdēnˈ [key], 1908–91, American physicist, b. Madison, Wis., grad. Univ. of Wisconsin (B.S. 1928, M.S. 1929), Ph.D. Princeton, 1936. He was a research physicist at the Bell Telepho...