Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Penrose_triangle> ?p ?o }
- Penrose_triangle abstract "The Penrose triangle, also known as the Penrose tribar, is an impossible object. It was first created by the Swedish artist Oscar Reutersvärd in 1934. The psychologist Lionel Penrose and his mathematician son Roger Penrose independently devised and popularised it in the 1950s, describing it as "impossibility in its purest form". It is featured prominently in the works of artist M. C. Escher, whose earlier depictions of impossible objects partly inspired it.The tribar appears to be a solid object, made of three straight beams of square cross-section which meet pairwise at right angles at the vertices of the triangle they form. The beams may be broken, forming cubes or cuboids; the logo of National Westminster Bank, comprising three chevrons that form a broken hexagon, has sometimes been depicted with the chevrons as two sides of cubes forming the corners of a Penrose triangle.This combination of properties cannot be realized by any 3-dimensional object in ordinary Euclidean space. Such an object can exist in certain Euclidean 3-manifolds. There also exist 3-dimensional solid shapes each of which, when viewed from a certain angle, appears the same as the 2-dimensional depiction of the Penrose triangle on this page (such as - for example - the image to the left depicting a sculpture in Perth, Australia). The term "Penrose triangle" can refer to the 2-dimensional depiction or the impossible object itself.M.C. Escher's lithograph Waterfall depicts a watercourse that flows in a zigzag along the long sides of two elongated Penrose triangles, so that it ends up two stories higher than it began. The resulting waterfall, forming the short sides of both triangles, drives a water wheel. Escher helpfully points out that in order to keep the wheel turning some water must occasionally be added to compensate for evaporation.If a line is traced around the Penrose triangle, a 3-loop Möbius strip is formed.".
- Penrose_triangle thumbnail Penrose-dreieck.svg?width=300.
- Penrose_triangle wikiPageExternalLink real3.html.
- Penrose_triangle wikiPageExternalLink EscherForReal.
- Penrose_triangle wikiPageID "56108".
- Penrose_triangle wikiPageLength "3957".
- Penrose_triangle wikiPageOutDegree "32".
- Penrose_triangle wikiPageRevisionID "681986450".
- Penrose_triangle wikiPageWikiLink 3-manifold.
- Penrose_triangle wikiPageWikiLink Australia.
- Penrose_triangle wikiPageWikiLink Category:1934_introductions.
- Penrose_triangle wikiPageWikiLink Category:Impossible_objects.
- Penrose_triangle wikiPageWikiLink Category:Topology.
- Penrose_triangle wikiPageWikiLink Category:Triangles.
- Penrose_triangle wikiPageWikiLink Euclidean_space.
- Penrose_triangle wikiPageWikiLink Evaporation.
- Penrose_triangle wikiPageWikiLink Hexagon.
- Penrose_triangle wikiPageWikiLink Impossible_object.
- Penrose_triangle wikiPageWikiLink Lionel_Penrose.
- Penrose_triangle wikiPageWikiLink Lithograph.
- Penrose_triangle wikiPageWikiLink Lithography.
- Penrose_triangle wikiPageWikiLink M._C._Escher.
- Penrose_triangle wikiPageWikiLink Mathematician.
- Penrose_triangle wikiPageWikiLink Möbius_strip.
- Penrose_triangle wikiPageWikiLink NatWest.
- Penrose_triangle wikiPageWikiLink National_Westminster_Bank.
- Penrose_triangle wikiPageWikiLink Octagon.
- Penrose_triangle wikiPageWikiLink Oscar_Reutersvärd.
- Penrose_triangle wikiPageWikiLink Penrose_stairs.
- Penrose_triangle wikiPageWikiLink Penrose_steps.
- Penrose_triangle wikiPageWikiLink Pentagon.
- Penrose_triangle wikiPageWikiLink Perth.
- Penrose_triangle wikiPageWikiLink Roger_Penrose.
- Penrose_triangle wikiPageWikiLink Solid.
- Penrose_triangle wikiPageWikiLink Square.
- Penrose_triangle wikiPageWikiLink Square_(geometry).
- Penrose_triangle wikiPageWikiLink Three_hares.
- Penrose_triangle wikiPageWikiLink Triangle.
- Penrose_triangle wikiPageWikiLink Water_wheel.
- Penrose_triangle wikiPageWikiLink Waterfall_(M._C._Escher).
- Penrose_triangle wikiPageWikiLink File:LargeTribarGotschuchenAustria.JPG.
- Penrose_triangle wikiPageWikiLink File:Penrose-dreieck.svg.
- Penrose_triangle wikiPageWikiLink File:Penrosetrianglemodel.jpg.
- Penrose_triangle wikiPageWikiLink File:Perth_Impossible_Triangle.jpg.
- Penrose_triangle wikiPageWikiLinkText ""Impossible Triangle"".
- Penrose_triangle wikiPageWikiLinkText "Penrose triangle".
- Penrose_triangle wikiPageWikiLinkText "Tribar".
- Penrose_triangle wikiPageWikiLinkText "impossible triangle".
- Penrose_triangle wikiPageWikiLinkText "triangle with three right angles".
- Penrose_triangle hasPhotoCollection Penrose_triangle.
- Penrose_triangle wikiPageUsesTemplate Template:Commons.
- Penrose_triangle wikiPageUsesTemplate Template:Optical_illusions.
- Penrose_triangle wikiPageUsesTemplate Template:Redirect-distinguish.
- Penrose_triangle wikiPageUsesTemplate Template:Reflist.
- Penrose_triangle subject Category:1934_introductions.
- Penrose_triangle subject Category:Impossible_objects.
- Penrose_triangle subject Category:Topology.
- Penrose_triangle subject Category:Triangles.
- Penrose_triangle type Concept.
- Penrose_triangle type Field.
- Penrose_triangle type Illusion.
- Penrose_triangle type Object.
- Penrose_triangle type Thing.
- Penrose_triangle comment "The Penrose triangle, also known as the Penrose tribar, is an impossible object. It was first created by the Swedish artist Oscar Reutersvärd in 1934. The psychologist Lionel Penrose and his mathematician son Roger Penrose independently devised and popularised it in the 1950s, describing it as "impossibility in its purest form". It is featured prominently in the works of artist M. C.".
- Penrose_triangle label "Penrose triangle".
- Penrose_triangle differentFrom Impossible_trinity.
- Penrose_triangle sameAs مثلث_بنروز.
- Penrose_triangle sameAs Триъгълник_на_Пенроуз.
- Penrose_triangle sameAs Triangle_de_Penrose.
- Penrose_triangle sameAs Penrose_triangle.
- Penrose_triangle sameAs Penroseův_trojúhelník.
- Penrose_triangle sameAs Penrose-Dreieck.
- Penrose_triangle sameAs Triangulo_de_Penrose.
- Penrose_triangle sameAs Triángulo_de_Penrose.
- Penrose_triangle sameAs مثلث_پنروز.
- Penrose_triangle sameAs Penrosen_kolmio.
- Penrose_triangle sameAs Triangle_de_Penrose.
- Penrose_triangle sameAs משולש_פנרוז.
- Penrose_triangle sameAs Penroseov_trokut.
- Penrose_triangle sameAs Segitiga_Penrose.
- Penrose_triangle sameAs Triangolo_di_Penrose.
- Penrose_triangle sameAs ペンローズの三角形.
- Penrose_triangle sameAs 펜로즈_삼각형.
- Penrose_triangle sameAs Penrose-Dräieck.
- Penrose_triangle sameAs Penrose-driehoek.
- Penrose_triangle sameAs Penrosetriangel.
- Penrose_triangle sameAs Triangle_de_Penrose.
- Penrose_triangle sameAs Trójkąt_Penrose’a.
- Penrose_triangle sameAs Triângulo_de_Penrose.
- Penrose_triangle sameAs m.0fjyx.
- Penrose_triangle sameAs Треугольник_Пенроуза.
- Penrose_triangle sameAs Penroseov_trojuholník.
- Penrose_triangle sameAs Пенроузов_троугао.
- Penrose_triangle sameAs Den_omöjliga_triangeln.
- Penrose_triangle sameAs Трикутник_Пенроуза.
- Penrose_triangle sameAs پینروز_مثلث.
- Penrose_triangle sameAs Q12141.
- Penrose_triangle sameAs Q12141.
- Penrose_triangle sameAs 潘洛斯三角.
- Penrose_triangle wasDerivedFrom Penrose_triangle?oldid=681986450.