spinning bodies

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• Magnetic field of celestial bodies — See also Earth s magnetic field The magnetic field of a rotating body of conductive gas or liquid develops self amplifying electric currents, and thus a self generated magnetic field, due to a combination of differential rotation (different… …   Wikipedia

• Geodetic effect — This article is about precession of orbiting bodies. For observing binary stars, see de Sitter double star experiment. A representation of the geodetic effect …   Wikipedia

• mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… …   Universalium

• Rotor Ship — A Rotor ship, also known as a Flettner ship, is a ship designed to use the Magnus effect for propulsion. The Magnus effect is a force acting on a spinning body in a moving airstream, which acts perpendicularly to the direction of the airstream.… …   Wikipedia

• Jeans, Sir James — ▪ British physicist and mathematician in full  Sir James Hopwood Jeans   born Sept. 11, 1877, London, Eng. died Sept. 16, 1946, Dorking, Surrey  English physicist and mathematician who was the first to propose that matter is continuously created… …   Universalium

• mechanics — /meuh kan iks/, n. 1. (used with a sing. v.) the branch of physics that deals with the action of forces on bodies and with motion, comprised of kinetics, statics, and kinematics. 2. (used with a sing. v.) the theoretical and practical application …   Universalium

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• Cartesianism — See Cartesian. * * * Philosophical tradition derived from the philosophy of René Descartes. A form of rationalism, Cartesianism upholds a metaphysical dualism of two finite substances, mind and matter. The essence of mind is thinking; the essence …   Universalium

• performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …   Universalium

• technology, 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… …   Universalium