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Defense Advanced Research Projects Agency

(Encyclopedia) Defense Advanced Research Projects Agency (DARPA), U.S. government agency administered by the Department of Defense (see Defense, United States Department of). It was established in…

Ecclestone, Bernie

(Encyclopedia) Ecclestone, Bernie (Bernard Charles Ecclestone), 1930–, English automobile racing executive. After a short career racing Formula Three cars in the late 1940s and early 1950s, he…

Shelby, Carroll Hall

(Encyclopedia) Shelby, Carroll Hall, 1923–2012, automobile racer and designer, b. Leesburg, Tex. After serving as a flight instructor in World War II, he began (1952) a career as a race-car driver.…

tetraethyl lead

(Encyclopedia) tetraethyl leadtetraethyl leadtĕtˌrəĕthˈəl [key], (C2H5)4Pb, viscous, colorless, poisonous liquid. It is an organometallic compound prepared by reacting ethyl chloride with a sodium-…

spring, in mechanics

(Encyclopedia) spring, in mechanics, any of several elastic devices used variously to store and to furnish energy, to absorb shock, to sustain the pressure between contacting surfaces, and to resist…

DeLorean, John Zachary

(Encyclopedia) DeLorean, John Zachary, 1925–2005, American automobile executive and entrepeneur, b. Detroit. Son of a Ford Motor Co. worker, he attended the Lawrence Institute of Technology (B.S.…

Plessy v. Ferguson

(Encyclopedia) Plessy v. Ferguson, case decided by the U.S. Supreme Court in 1896. The court upheld an 1890 Louisiana statute mandating racially segregated but equal railroad carriages, ruling that…

Pennsylvania Railroad

(Encyclopedia) Pennsylvania Railroad, former U.S. transportation company; inc. 1846 by the Pennsylvania legislature. It opened in 1854 as a single-track line between Philadelphia and Pittsburgh.…