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Vandenberg Air Force Base

(Encyclopedia) Vandenberg Air Force Base, U.S. military installation, 3,456 acres (1,399 hectares), SW Calif., near Lompoc; chief Pacific coast launch site for military satellites, and headquarters…

electroweak theory

(Encyclopedia) electroweak theory, a unified field theory that describes two of the fundamental forces in nature, electromagnetism (see electromagnetic radiation) and the weak interaction. The…

perturbation

(Encyclopedia) perturbationperturbationpŭrˌtərbāˈshən [key], in astronomy and physics, small force or other influence that modifies the otherwise simple motion of some object. The term is also used…

Air Force, United States Department of the

(Encyclopedia) Air Force, United States Department of the, military department within the U.S. Dept. of Defense (see Defense, United States Department of). The Air Force traces its roots to the…

newton, unit of measure

(Encyclopedia) newton, abbr. N, unit of force in the mks system of units, which is based on the metric system; it is the force that produces an acceleration of 1 meter per second per second when…

LeMay, Curtis Emerson

(Encyclopedia) LeMay, Curtis EmersonLeMay, Curtis Emersonləmāˈ [key], 1906–90, U.S. general, b. Columbus, Ohio. Commissioned a second lieutenant in the U.S. army air corps in 1930, he advanced…

dyne

(Encyclopedia) dynedynedīn [key], unit of force in the cgs system of units, which is based on the metric system; an acceleration of 1 centimeter per second per second is produced when a force of 1…

United States Air Force Academy

(Encyclopedia) United States Air Force Academy, at Colorado Springs, Colo.; for training young men and women to be officers in the U.S. air force; authorized in 1954 by Congress. Temporary quarters…

torque

(Encyclopedia) torque, in physics, that which tends to change the rate of rotation of a body; also called the moment of force. The torque produced by rotating parts of an electric motor or internal-…