Penrose process

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• Penrose process — The Penrose process (also called Penrose mechanism) is a process theorised by Roger Penrose wherein energy can be extracted from a rotating black hole. That extraction is made possible by the existence of a region of the Kerr spacetime called the …   Wikipedia

• Penrose tiling — A Penrose tiling is a nonperiodic tiling generated by an aperiodic set of prototiles named after Roger Penrose, who investigated these sets in the 1970s.Because all tilings obtained with the Penrose tiles are non periodic, Penrose tilings are… …   Wikipedia

• Penrose , Sir Roger — (1931–) British mathematician and theoretical physicist Penrose, the son of the geneticist Lionel Penrose, was born at Colchester in Essex. He graduated from University College, London, and obtained his PhD in 1957 from Cambridge University.… …   Scientists

• Penrose interpretation — The Penrose interpretation is a prediction of Sir Roger Penrose about the mass scale at which standard quantum mechanics will fail. This idea is inspired by quantum gravity, because it uses both the physical constants hbar and G.Penrose s idea is …   Wikipedia

• Roger Penrose — Infobox Scientist box width = 300px name = Sir Roger Penrose image size = 200px caption = Roger Penrose at Brookhaven Lab, February 6, 2007 birth date = birth date and age|1931|08|08 birth place = Colchester, Essex, England death date = death… …   Wikipedia

• Edith Penrose — Infobox Philosopher region = Western Economists era = 20th Century Economists name = Edith Penrose birth = birth date|1914|11|15 Los Angeles, United States death = Death date and age|1996|10|21|1914|11|15 Waterbeach, Cambridgeshire, England|… …   Wikipedia

• Moore–Penrose pseudoinverse — In mathematics, and in particular linear algebra, a pseudoinverse A+ of a matrix A is a generalization of the inverse matrix.[1] The most widely known type of matrix pseudoinverse is the Moore–Penrose pseudoinverse, which was independently… …   Wikipedia

• The Penrose Annual — was a London based review of graphic arts, printed nearly annually from 1895 to 1982. The information for this Wikipedia entry comes primarily from a 2006 article, By Printers for Printers by Steve Hare printed in Eye magazine, No. 60, Vol. 15,… …   Wikipedia

• Moore-Penrose pseudoinverse — In mathematics, and in particular linear algebra, the pseudoinverse A^+ of an m imes n matrix A is a generalization of the inverse matrix.cite book | last=Ben Israel | first = Adi | coauthors=Thomas N.E. Greville | title=Generalized Inverses |… …   Wikipedia

• Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …   Wikipedia

• General relativity — For a generally accessible and less technical introduction to the topic, see Introduction to general relativity. General relativity Introduction Mathematical formulation Resources …   Wikipedia