• Thumbnail for Roger Penrose
    Sir Roger Penrose (born 8 August 1931) is a British mathematician, mathematical physicist, philosopher of science and Nobel Laureate in Physics. He is...
    82 KB (7,521 words) - 14:42, 24 October 2024
  • Thumbnail for Antony Penrose
    children include physicist Oliver Penrose, mathematician and physicist Sir Roger Penrose, chess grandmaster Jonathan Penrose, and geneticist Shirley Hodgson...
    10 KB (1,107 words) - 17:05, 14 October 2024
  • Thumbnail for Penrose stairs
    independently discovered and made popular by Lionel Penrose and his son Roger Penrose. A variation on the Penrose triangle, it is a two-dimensional depiction...
    13 KB (1,425 words) - 17:13, 2 October 2024
  • Sir Roland Algernon Penrose CBE (14 October 1900 – 23 April 1984) was an English artist, historian and poet. He was a major promoter and collector of...
    19 KB (1,839 words) - 10:22, 23 September 2024
  • Thumbnail for Penrose diagram
    In theoretical physics, a Penrose diagram (named after mathematical physicist Roger Penrose) is a two-dimensional diagram capturing the causal relations...
    10 KB (1,206 words) - 14:20, 30 August 2024
  • Thumbnail for Penrose triangle
    in the 1950s by psychiatrist Lionel Penrose and his son, the mathematician and Nobel Prize laureate Roger Penrose, who described it as "impossibility...
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  • The Penrose interpretation is a speculation by Roger Penrose about the relationship between quantum mechanics and general relativity. Penrose proposes...
    9 KB (1,078 words) - 02:06, 27 August 2024
  • Thumbnail for Penrose tiling
    Penrose tilings may have both reflection symmetry and fivefold rotational symmetry. Penrose tilings are named after mathematician and physicist Roger...
    51 KB (5,865 words) - 08:04, 24 October 2024
  • In theoretical physics, twistor theory was proposed by Roger Penrose in 1967 as a possible path to quantum gravity and has evolved into a widely studied...
    35 KB (4,205 words) - 06:14, 28 August 2024
  • independently described by E. H. Moore in 1920, Arne Bjerhammar in 1951, and Roger Penrose in 1955. Earlier, Erik Ivar Fredholm had introduced the concept of a...
    46 KB (7,506 words) - 16:37, 26 September 2024
  • Penrose and brother of the mathematical physicist Roger Penrose, chess Grandmaster Jonathan Penrose, and geneticist Shirley Hodgson. He was associated...
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  • The Penrose–Hawking singularity theorems (after Roger Penrose and Stephen Hawking) are a set of results in general relativity that attempt to answer the...
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  • Thumbnail for Penrose process
    The Penrose process (also called Penrose mechanism) is theorised by Sir Roger Penrose as a means whereby energy can be extracted from a rotating black...
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  • Thumbnail for Orchestrated objective reduction
    first put forward in the early 1990s by Nobel laureate for physics Roger Penrose, and anaesthesiologist Stuart Hameroff. The hypothesis combines approaches...
    48 KB (5,235 words) - 22:13, 24 October 2024
  • scientist Roger Penrose: Moore–Penrose inverse, the most widely known generalization of the inverse matrix in particular linear algebra Penrose graphical...
    2 KB (206 words) - 09:36, 15 January 2024
  • Thumbnail for Penrose graphical notation
    handwritten) visual depiction of multilinear functions or tensors proposed by Roger Penrose in 1971. A diagram in the notation consists of several shapes linked...
    9 KB (678 words) - 06:39, 9 September 2024
  • truth value of its Gödel sentence, while human minds can. Mathematician Roger Penrose modified the argument in his first book on consciousness, The Emperor's...
    20 KB (2,371 words) - 21:01, 2 October 2024
  • framework of general relativity and proposed by theoretical physicist Roger Penrose. In CCC, the universe iterates through infinite cycles, with the future...
    13 KB (1,694 words) - 12:47, 22 September 2024
  • Roland Penrose, both British artists. He married Margaret Leathes in 1928 and they had four children: Oliver Penrose, born 1929, physicist; Sir Roger Penrose...
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  • Thumbnail for Stephen Hawking
    cheek muscle. Hawking's scientific works included a collaboration with Roger Penrose on gravitational singularity theorems in the framework of general relativity...
    185 KB (17,985 words) - 11:42, 27 October 2024
  • Thumbnail for Impossible object
    non-circular. Penrose stairs – created by Oscar Reutersvärd and later independently devised and popularised by Lionel Penrose and his mathematician son Roger Penrose...
    11 KB (1,208 words) - 02:57, 18 October 2024
  • Thumbnail for Illumination problem
    The original problem was first solved in 1958 by Roger Penrose using ellipses to form the Penrose unilluminable room. He showed that there exists a room...
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  • Thumbnail for Jonathan Penrose
    of the physiologist John Beresford Leathes, and brother of Roger Penrose, Oliver Penrose, and Shirley Hodgson. He was a psychologist and university lecturer...
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  • Thumbnail for Spin network
    The diagrammatic notation can thus greatly simplify calculations. Roger Penrose described spin networks in 1971. Spin networks have since been applied...
    12 KB (1,565 words) - 02:05, 23 July 2024
  • This behaviour was described independently by both Roger Penrose and James Edward Terrell. Penrose's article was submitted 29 July 1958 and published in...
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  • of quantum systems. Later, following a different line of reasoning, Roger Penrose arrived at an estimation for the collapse time of a superposition due...
    23 KB (3,101 words) - 06:53, 18 October 2024
  • Penrose may refer to: Penrose, Arlington, Virginia, a neighborhood Penrose, Colorado, a town Penrose, St. Louis, Missouri, a neighborhood Penrose, Philadelphia...
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  • called naked. The weak cosmic censorship hypothesis was conceived by Roger Penrose in 1969 and posits that no naked singularities exist in the universe...
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  • The Emperor's New Mind (category Works by Roger Penrose)
    The Laws of Physics is a 1989 book by the mathematical physicist Roger Penrose. Penrose argues that human consciousness is non-algorithmic, and thus is...
    6 KB (514 words) - 21:38, 12 March 2024
  • Thumbnail for M. C. Escher
    mathematical ability, he interacted with the mathematicians George Pólya, Roger Penrose, and Donald Coxeter, and the crystallographer Friedrich Haag, and conducted...
    61 KB (6,314 words) - 01:54, 30 October 2024