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Farm and Nonfarm Labor Force, 1940–2005
(number in thousands)YearCivilian labor force employedTotalAgricultureNonagriculturalindustries1940147,5209,54037,9801945152,8208,58044,240195058,9187,16051,758195562,1706,45055,7221960265,7785,45860…Characteristics of the Civilian Labor Force, 2004 and 2014
Civilian population (thousands)Civilian labor force (thousands)Participation rate (percent) 200420141200420141200420141% changeTotal233,357247,239147,056162,100 66.0% 65.6% 10.0 Male107,…atomic force microscope
(Encyclopedia) atomic force microscope (AFM), device that uses a spring-mounted probe to image individual atoms on the surface of a material, first developed by Gerd Binnig in 1986. Unlike the…October 2016: Turkey Suspends 5% of Police Force
U.S. News | Disasters & Science News Here's a slideshow depicting the major world news events of October 2016. 1. Columbian Peace Deal Defeated…Science Projects for Beginners: Which Bulbs Are Best for Forcing?
Which Bulbs Are Best for Forcing?Science Projects for BeginnersBotany ProjectsDoes Microwave Radiation Affect Seed Growth?Which Bulbs Are Best for Forcing? You've probably seen tulips, daffodils,…Theories of the Universe: Forces, Particles, and Some Cosmological Glue
Forces, Particles, and Some Cosmological GlueTheories of the UniverseForces, Particles, and Some Cosmological GlueSize in the MicrocosmThe Forces You Already KnowThe Particle ZooThe Last Train to…Space Force, United States
(Encyclopedia) Space Force, United States (USSF), military force that forms a separate service within the U.S. Dept. of the Air Force, est. Dec. 20, 2019, by act of Congress. The head of the Space…work
(Encyclopedia) work, in physics and mechanics, transfer of energy by a force acting to displace a body. Work is equal to the product of the force and the distance through which it produces movement.…Lackland Air Force Base
(Encyclopedia) Lackland Air Force BaseLackland Air Force Baselăkˈlənd [key], U.S. military installation, c.6,835 acres (2,766 hectares), S Tex., W of San Antonio; est. 1941, amalgated 2010 with Fort…Wright-Patterson Air Force Base
(Encyclopedia) Wright-Patterson Air Force Base, U.S. military installation, 8,023 acres (3,247 hectares), W Ohio, NE of Dayton; est. 1917. One of the largest airport installations in the world, it is…Trending
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