limited rotation
81Organic farming — Agriculture General …
82Anastacia — Infobox Musical artist Name = Anastacia Img capt = Anastacia performing during her 2004 European tour Background = solo singer Birth name = Anastacia Lyn Newkirk Alias = The Little Lady With The Big Voice, The Queen Of Pop Soul Born = birth date… …
83Model warship combat — VNS Verdun takes a shot at USS Nathaniel Greene at the 2007 North American Big Gun Open [1] event Model warship combat is an international club activity, in which participants construct radio controlled scale models of actual …
84astronomy — /euh stron euh mee/, n. the science that deals with the material universe beyond the earth s atmosphere. [1175 1225; ME astronomie ( < AF) < L astronomia < Gk. See ASTRO , NOMY] * * * I Science dealing with the origin, evolution, composition,… …
85electric motor — motor (def. 4). [1885 90] * * * Introduction any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. Most electric motors develop their mechanical torque by the… …
86technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
87Mechanics of planar particle motion — Classical mechanics Newton s Second Law History of classical mechanics  …
88Vorticity — is a mathematical concept used in fluid dynamics. It can be related to the amount of circulation or rotation (or more strictly, the local angular rate of rotation) in a fluid.Clancy, L.J., Aerodynamics , Section 7.11] The average vorticity zeta… …
89Medical school — Med school redirects here. For the experimental drum and bass label, see Hospital Records#Med School. See also: Medical education and List of medical schools Founded in 1765, The Perelman School of Medicine at the University of Pennsylvania… …
90Tropical agriculture — Worldwide more human beings gain their livelihood from agriculture than any other endeavor; the majority are self employed subsistence farmers living in the tropics. While growing food for local consumption is the core of tropical agriculture,… …
