elliptical coordinates
101Middlewich Branch — The lock and cottage at Minshull Original owner Ellesmere and Chester Canal Company Date of act 1827 …
102Correspondence principle — This article discusses quantum theory and relativity. For other uses, see Correspondence principle (disambiguation). In physics, the correspondence principle states that the behavior of systems described by the theory of quantum mechanics (or by… …
103geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… …
104Bridges of the Merritt Parkway — The 69 original bridges of the Merritt Parkway were designed by George L. Dunkelberger. Each bridge had a unique design that represented various 1930s architectural styles, such as Art Deco, Art Moderne, French Renaissance, Gothic, Neoclassicism …
105Bohr model — In atomic physics, the Bohr model created by Niels Bohr depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus mdash;similar in structure to the solar system, but with… …
106Centrifugal force (rotating reference frame) — This article is about the fictitious force related to rotating reference frames. For other uses, see Centrifugal force. Classical mechanics …
107Kepler's laws of planetary motion — In astronomy, Kepler s Laws of Planetary Motion are three mathematical laws that describe the motion of planets in the Solar System. German mathematician and astronomer Johannes Kepler (1571–1630) discovered them.Kepler studied the observations… …
108Great circle — For fictional interstellar organization called Great Circle, see Andromeda (novel). A great circle divides the sphere in two equal hemispheres A great circle, also known as a Riemannian circle, of a sphere is the intersection of the sphere and a… …
109Planisphere — For the tetralogy of songs by Justice, see Justice discography. A plastic planisphere. A planisphere is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to display the… …
110Gravitational wave — In physics, a gravitational wave is a fluctuation in the curvature of spacetime which propagates as a wave, traveling outward from a moving object or system of objects. Gravitational radiation is the energy transported by these waves. Important… …
