semicircle
41Semicircular potential well — In quantum mechanics, the case of a particle in a one dimensional ring is similar to the particle in a box. The particle follows the path of a semicircle from 0 to pi where it cannot escape, because the potential from pi to 2 pi is infinite.… …
42theatre — /thee euh teuhr, theeeu /, n. theater. * * * I Building or space in which performances are given before an audience. It contains an auditorium and stage. In ancient Greece, where Western theatre began (5th century BC), theatres were constructed… …
43Minstrel show — For the album by Little Brother, see The Minstrel Show. Detail from cover of The Celebrated Negro Melodies, as Sung by the Virginia Minstrels, 1843 The minstrel show, or minstrelsy, was an American entertainment consisting of comic skits, variety …
44Methods of contour integration — Not to be confused with Line integral. In the mathematical field of complex analysis, contour integration is a method of evaluating certain integrals along paths in the complex plane.[1][2][3] Contour integration is closely related to the… …
45Angle of parallelism — In hyperbolic geometry, the angle of parallelism Φ is the angle at one vertex of a right hyperbolic triangle that has two asymptotic parallel sides. The angle depends on the segment length a between the right angle and the vertex of the angle of… …
46Ultraparallel theorem — In hyperbolic geometry, the ultraparallel theorem states that every pair of ultraparallel lines in the hyperbolic plane has a unique common perpendicular hyperbolic line.Proof in the Poincaré half plane modelLet :a < b < c < d be four distinct… …
47Rules of basketball — The rules of basketball are the rules and regulations that govern the play, officiating, equipment and procedures of basketball. The international rules are governed by the Technical Commission of the International Basketball Federation. Most… …
48Crescent (solitaire) — Crescent is a solitaire card game played with two decks of playing cards mixed together. The game is so called because when the cards are dealt properly, the resulting piles should form a large arc or a crescent. First, one king and one ace of… …
49Mastopexy — Intervention Breast lift: the pre operative aspects of mild breast ptosis (left), and the post operative aspects of the correction, the lifted bust (right) …
50Michael O'Moore Creagh — Michael Creagh Born 1892 Died 1970 (aged 77 or 78) Allegiance …
