Trace — may refer to:;Mathematics, computing and electronics: * Trace (linear algebra) of a square matrix or a linear transformation * Trace class, a certain set of operators in a Hilbert space * Trace operator, a restriction to boundary operator in a… … Wikipedia
Domestication of the horse — A bred back Heck Horse, closely resembling the Tarpan (photographed 2004), believed to be phenotypically close to the wild horse at the time of its original domestication. There are a number of hypotheses on many of the key issues regarding the… … Wikipedia
Napoleon Crossing the Alps — This article is about the painting by Jacques Louis David. For the painting by Paul Delaroche, see Bonaparte Crossing the Alps. Napoleon Crossing the Alps Artist Jacques Louis David Year 1800 Type Oil on canvas … Wikipedia
Nail (fastener) — A pile of nails. In woodworking and construction, a nail is a pin shaped, sharp object of hard metal or alloy used as a fastener. Formerly wrought iron, today s nails are typically made of steel, often dipped or coated to prevent corrosion in… … Wikipedia
Thoroughbred — For other uses, see Thoroughbred (disambiguation). Thoroughbred Thoroughbred race horse Distinguishing features … Wikipedia
Subroutine — In computer science, a subroutine (function, method, procedure, or subprogram) is a portion of code within a larger program, which performs a specific task and can be relatively independent of the remaining code. The syntax of many programming… … Wikipedia
Andalusian horse — Andalusian Andalusian horse Distinguishing features Strongly built, compact, elegant, thick mane and tail Alternative names Spanish Horse, Pura Raza Española Country of origin Spain, Iberian Peninsula … Wikipedia
Fossil fuel power plant — A fossil fuel power plant burns fossil fuels such as coal, natural gas or petroleum (oil) to produce electricity.Fossil fuel power plants are designed on a large scale for continuous operation. In many countries, such plants provide most of the… … Wikipedia
Histoire d'Hellemmes — Cet article retrace l histoire d Hellemmes, une ancienne commune du Nord de la France, associée à Lille en avril 1977. Elle s appelait autrefois Hellemmes lez Lille. Sommaire 1 Géographie 1.1 Le courant Maître David 2 Étymologie … Wikipédia en Français
exorcism — The expulsion of DEMONs and other unwanted spirits from a person or place. Rites of exorcism have been performed since ancient times as remedies against the negative or malevolent influences of spirits, such as the perceived cause of illnesses … Encyclopedia of Demons and Demonology