# Degenerate

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**Degeneration**— This article is about the social philosophical meaning of degeneration. For other uses, see Degeneration (disambiguation) and Degeneracy (disambiguation). The idea of degeneration had significant influence on science, art and politics from the… …122

**Jahn–Teller effect**— The Jahn–Teller effect, sometimes also known as Jahn–Teller distortion, describes the geometrical distortion of non linear molecules under certain situations. This electronic effect is named after Hermann Arthur Jahn and Edward Teller, who proved …123

**Kill Switch...Klick**— promo shot from 1993 (L to R, D.A. Sebasstian, Victoria Knight Mike Ditmore). Background information Ori …124

**The vector of a quaternion**— In the 19th century, the vector of a quaternion written Vq was a well defined mathematical entity in the classical quaternion notation system. This article is written using classical nomenclature. In this article the word vector means the… …125

**Chandrasekhar limit**— When a star starts running out of fuel, it usually cools off and collapses (possibly with a supernova) into one of three compact forms, depending on its total mass: a White Dwarf, a big lump of Carbon and Oxygen atoms, almost like one huge… …126

**Dipole**— This article is about the electromagnetic phenomenon. For other uses, see dipole (disambiguation). The Earth s magnetic field, approximated as a magnetic dipole. However, the N and S (north and south) poles are labeled here geographically, which… …127

**Ellipse**— Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… …128

**Neutron star**— redirects here. For the story by Larry Niven, see Neutron Star (short story). Neutron stars crush half a million times more mass than Earth into a sphere no larger than Manhattan. A neutron star is a type of stellar remnant that can result from… …