• Thumbnail for Ibn al-Haytham
    Ibn al-Haytham (redirect from Ibn Alhazen)
    Ḥasan Ibn al-Haytham (Latinized as Alhazen; /ælˈhæzən/; full name Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham أبو علي، الحسن بن الحسن بن الهيثم; c. 965 –...
    135 KB (15,055 words) - 08:35, 10 May 2024
  • Thumbnail for Alhazen (crater)
    Alhazen is a lunar impact crater that lies near the eastern limb of the Moon's near side. Just to the south-southeast is the crater Hansen, and to the...
    5 KB (355 words) - 04:24, 19 April 2023
  • Thumbnail for Alhazen's problem
    Alhazen's problem, also known as Alhazen's billiard problem, is a mathematical problem in geometrical optics first formulated by Ptolemy in 150 AD. It...
    8 KB (799 words) - 10:19, 14 May 2024
  • Alhazen (Ibn al-Haytham) was an 11th-century Arab mathematician and astronomer. "Alhazen" may also refer to: Alhazen (crater), a lunar crater 59239 Alhazen...
    238 bytes (59 words) - 15:40, 13 October 2023
  • Thumbnail for Lune of Hippocrates
    one above, the Arab mathematician Hasan Ibn al-Haytham (Latinized name Alhazen, c. 965 – c. 1040) showed that where two lunes are formed, on the two sides...
    7 KB (876 words) - 04:26, 17 July 2023
  • found throughout history, for instance with the ancient Stoics, Epicurus, Alhazen, Avicenna, Al-Biruni, Roger Bacon, and William of Ockham. In the scientific...
    185 KB (21,640 words) - 23:20, 19 May 2024
  • Thumbnail for Book of Optics
    composed by the medieval Arab scholar Ibn al-Haytham, known in the West as Alhazen or Alhacen (965–c. 1040 AD). The Book of Optics presented experimentally...
    19 KB (2,176 words) - 16:04, 4 February 2024
  • Thumbnail for Circumference
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    7 KB (1,002 words) - 18:43, 21 March 2024
  • Thumbnail for Line (geometry)
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    30 KB (4,299 words) - 18:20, 7 May 2024
  • The understanding of the principles of dioptrics was further expanded by Alhazen, considered the father of modern optics. Diopter/Dioptre (unit of measurement)...
    1 KB (159 words) - 01:35, 24 October 2023
  • Thumbnail for List of geometers
    sections Abu'l-Wáfa (940–998) – spherical geometry, spherical triangles Alhazen (965–c. 1040) Omar Khayyam (1048–1131) – algebraic geometry, conic sections...
    14 KB (1,107 words) - 23:56, 10 January 2024
  • Thumbnail for Straightedge and compass construction
    ruler-and-compass construction for the general solution of the ancient Alhazen's problem (billiard problem or reflection from a spherical mirror). Some...
    36 KB (4,789 words) - 13:28, 3 April 2024
  • Thumbnail for Diameter
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    8 KB (1,003 words) - 00:04, 6 May 2024
  • Thumbnail for Circle
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    43 KB (5,896 words) - 21:28, 11 May 2024
  • Thumbnail for Specular reflection
    behavior was first described by Hero of Alexandria (AD c. 10–70). Later, Alhazen gave a complete statement of the law of reflection. He was first to state...
    14 KB (1,772 words) - 02:46, 30 April 2024
  • other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    9 KB (1,109 words) - 23:33, 10 May 2024
  • Thumbnail for Physicist
    methodology emphasising experimentation, such as the work of Ibn al-Haytham (Alhazen) in the 11th century. The modern scientific worldview and the bulk of physics...
    19 KB (1,897 words) - 21:08, 26 April 2024
  • Thumbnail for Euclidean plane
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    16 KB (1,963 words) - 04:54, 30 April 2024
  • Thumbnail for Abbasid Caliphate
    system beyond the Indian subcontinent. Arab scientist Ibn al-Haytham (Alhazen) developed an early scientific method in his Book of Optics (1021). The...
    154 KB (18,398 words) - 19:45, 19 May 2024
  • Thumbnail for Speed of light
    with the Aristotelian view that light had no speed of travel. In 1021, Alhazen (Ibn al-Haytham) published the Book of Optics, in which he presented a...
    144 KB (15,331 words) - 08:14, 21 April 2024
  • Mongol invasions in the 13th century. Ibn al-Haytham, better known as Alhazen, used controlled experiment in his optical study. Avicenna's compilation...
    167 KB (15,817 words) - 23:32, 9 May 2024
  • Thumbnail for Photography
    camera obscura in his experiments. The Arab physicist Ibn al-Haytham (Alhazen) (965–1040) also invented a camera obscura as well as the first true pinhole...
    82 KB (9,045 words) - 17:58, 10 May 2024
  • Thumbnail for Hyperbolic geometry
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    56 KB (6,945 words) - 18:48, 26 January 2024
  • Thumbnail for Arabs
    Hevelius's Selenographia, showing Alhazen [sic] representing reason, and Galileo representing the senses....
    308 KB (30,042 words) - 08:04, 15 May 2024
  • Thumbnail for Affine geometry
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    20 KB (2,632 words) - 22:00, 2 May 2024
  • quantification to varying degrees. The Arab physicist Ibn al-Haytham (Alhazen) used experimentation to obtain the results in his Book of Optics (1021)...
    102 KB (13,163 words) - 11:53, 5 May 2024
  • (936–1013) (Abulcasis), pioneer of neurosurgery Ibn al-Haytham (965–1040) (Alhazen), founder of experimental psychology, psychophysics, phenomenology and...
    21 KB (2,125 words) - 19:09, 3 May 2024
  • other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    39 KB (5,092 words) - 01:36, 31 March 2024
  • Thumbnail for Spherical geometry
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    15 KB (1,955 words) - 02:05, 6 May 2024
  • Thumbnail for Line segment
    other-dimensional Tesseract Hypersphere Geometers by name Aida Aryabhata Ahmes Alhazen Apollonius Archimedes Atiyah Baudhayana Bolyai Brahmagupta Cartan Coxeter...
    11 KB (1,501 words) - 17:37, 22 January 2024