Imago Mundi - Alhazen Translate this page Chronologies. alhazen, Abu Ali Al-Hasan Ibn al-Haitham (987-1038ou 965-1039?) - Mathématicien, physicien et philosophe irakien. http://www.cosmovisions.com/Alhazen.htm
Alhazen Wynalazcy. alhazen. Ibn alHaitham. arabski matematyk, fizyk i astronom dzialajacyw Egipcie (ok. 965-1039). Pionier optyki, wg. tradycji wynalazca soczewki. http://www.wynalazki.mt.com.pl/twor/alhazen.html
Adventures In CyberSound: Alhazen alhazen (Abu Ali Hasan Ibn alHaitham) 965 - 1039. One of the most famousof these Arab scholars was alhazen (Abu Ali Hasan Ibn al-Haitham). http://www.acmi.net.au/AIC/ALHAZEN_BIO.html
Extractions: Alhazen (Abu Ali Hasan Ibn al-Haitham) : 965 - 1039 Alhazen , Arabic (Abu Ali Hasan Ibn al-Haitham) (b. c.965, Basra, Iraq d. 1039, Cairo), mathematician and physicist who made the first significant contributions to optical theory since the time of Ptolemy (flourished 2nd century). In his treatise on optics, translated into Latin in 1270 as Opticae thesaurus Alhazeni libri vii , Alhazen published theories on refraction, reflection, binocular vision, focussing with lenses, the rainbow, parabolic and spherical mirrors, spherical aberration, atmospheric refraction, and the apparent increase in size of planetary bodies near the Earth's horizon. He was first to give an accurate account of vision, correctly stating that light comes from the object seen to the eye. Source: Britannica Online The ancient Greek studies of mathematics, philosophy, the arts and science would have been lost to us forever if the Arabs had not preserved and collected this legacy for all. In addition, through their annotations and studies they added to our knowledge. One of the most famous of these Arab scholars was Alhazen (Abu Ali Hasan Ibn al-Haitham). His studies included contributions to physics, especially optics and mathematics.
Learn More About Alhazen In The Online Encyclopedia. Visit the Online Encyclopedia and learn more and get your questions answeredabout alhazen. You are here Online Encyclopedia alhazen. alhazen. http://www.onlineencyclopedia.org/a/al/alhazen.html
Extractions: see previous page Alhazen (Abu Ali al-Hasan Ibn Alhasan) ) was an Arabian mathematician He was born at Basra and died at Cairo . He is to be distinguished from another Alhazen who translated Ptolemy 's Almagest in the 10th century. Having boasted that he could construct a machine for regulating the inundations of the Nile , he was summoned to Egypt by the caliph Hakim; but, aware of the impracticability of his scheme, and fearing the caliph's anger, he feigned madness until Hakim's death in 1021. Alhazen was nevertheless a diligent and successful student, being the first great discoverer in optics after the time of Ptolemy . According to Giovanni Battista della Porta, he first explained the apparent increase of heavenly bodies near the horizon, although Bacon gives the credit of this discovery to Ptolemy. He taught, previous to the Polish physicist Witelo, that vision does not result from the emission of rays from the eye, and wrote also on the refraction of light, especially on atmospheric refraction, showing, e.g. the cause of morning and evening twilight. He solved the problem of finding the point in a convex mirror at which a ray coming from one given point shall be reflected to another given point.
Biography: Al Hassan Ibn Al Haitham (Alhazen) | Baheyeldin.com Biography Al Hassan Ibn Al Haitham (alhazen). Al Hassan Ibn Al Haitham, known inLatin as alhazen, is a famous Muslim scientist from the 10th and 11th century. http://baheyeldin.com/history/alhazen.html
Extractions: Home Submitted by Khalid on Sun, 2004/03/07 - 16:44. History Al Hassan Ibn Al Haitham, known in Latin as Alhazen, is a famous Muslim scientist from the 10th and 11th century. He was famous in optics, but was also versed in Geography, Astronomy, Architecture. Short biography from Malaspina Biography from Legacy of Islam From Eric Weisstein's World of Science University of St. Andrews, Scotland ... Baheyeldin.com
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Index - Alhazen Adatai - Fórum FÓRUM. alhazen adatai. Felhasználónév alhazen. Emailcím alhazen@freemail.hu.Homepage http//. Üzenetek száma 1746. Státusz Törzsvendég. http://forum.index.hu/forum.cgi?a=u&su=282917
Recherche : Alhazen Translate this page Accueil Publimath Requête alhazen, Certification IDDN. Dans les fiches.3 fiches trouvées. http://publimath.irem.univ-mrs.fr/cgi-bin/publimath.pl?r=Alhazen&t=n
Recherche : Alhazen Translate this page Accueil Publimath Requête voisine alhazen, Certification IDDN. Dans lesfiches. 3 fiches trouvées. http://publimath.irem.univ-mrs.fr/cgi-bin/publimath.pl?r=Alhazen&t=r
Showrecord Reflectie binnen een cirkelvormige spiegel (probleem van alhazen). En als je daaropniet kan wachten Google zelf ook eens met alhazen billiard problem . http://www.wisfaq.nl/showrecord3.asp?id=14816
Alhazen Translate this page alhazen alhazen (nasceu no ano 965 e morreu em 1039) Físico e matemático árabe.Foi um dos primeiros descobridores da Óptica, depois de Ptolomeu. http://www.guajara.com/wiki/pt/wikipedia/a/al/alhazen.html
IDENTIKIT Name Size Coordinates Image. alhazen crater, 35 km diameter 2000 mt heightwalls. 18°N 70°E Eastern side of Crisium sea. Return to identikit A . http://www.rccr.cremona.it/monografie/luna/idkt11.htm
PPE - General Encyclopedia A2 Also wrote biographies of selfmade statesmen like Abraham Lincoln, the BackwoodsBoy (1883). alhazen (c965-1038) Ibn al-Haitham. Perhaps a Persian. http://www.embassy.org.nz/encycl/a2encyc.htm
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Al-Haitham (Alhazen), 965-1040 C.E. ABU ALI HASAN IBN ALHAITHAM (alhazen) (965 - 1040 CE), by Dr. A. Zahoor. Al-Haitham,known in the West as alhazen, is considered as the father of modern Optics. http://www.unhas.ac.id/~rhiza/saintis/haitham.html
Extractions: Al-Haitham, known in the West as Alhazen , is considered as the father of modern Optics . Abu Ali Hasan Ibn al-Haitham was one of the most eminent physicists, whose contributions to optics and the scientific methods are outstanding. Ibn al-Haitham was born in 965 C.E. in Basrah (present Iraq), and received his education in Basrah and Baghdad. He traveled to Egypt and Spain. He spent most of his life in Spain, where conducted research in optics, mathematics, physics, medicine and development of scientific methods. Al-Haitham conducted experiments on the propagation of light and colors, optic illusions and reflections. He examined the refraction of light rays through transparent medium (air, water) and discovered the laws of refraction. He also carried out the first experiments on the dispersion of light into its constituent colors. In detailing his experiment with spherical segments (glass vessels filled with water), he came very close to discovering the theory of magnifying lenses which was developed in Italy three centuries later. It took another three centuries before the law of sines was proposed by Snell and Descartes. His book Kitab-al-Manazir was translated into Latin in the Middle Ages, as also his book dealing with the colors of sunset. He dealt at length with the theory of various physical phenomena such as the rainbow, shadows, eclipses, and speculated on the physical nature of light. Roger Bacon (thirteenth century), Pole Witelo (Vitellio) and all Medieval Western writers on Optics base their optical work primarily on Al-Haitham's '
Recherche : Alhazen Translate this page Accueil Publimath Requête alhazen, Certification IDDN.Dans les fiches. 3 fiches trouvées http://publimath.univ-lyon1.fr/cgi-bin/publimath.pl?r=Alhazen&t=n
Al Haitam Al Haitam is best known as alhazen and is remembered for alhazen s problem Letme see Wilson s theorem. There is a Crater alhazen on the moon. http://intranet.woodvillehs.sa.edu.au/pages/resources/maths/History/lHtm.htm
Extractions: Previous (Alphabetically) Next Welcome page Al'Haitam is best known as Alhazen and is remembered for Alhazen's problem: Given a light source and a spherical mirror, find the point on the mirror were the light will be reflected to the eye of an observer. The problem leads to a quadratic which was solved with Greek style geometry. Al'Haitam had a less than satisfactory solution, Huygens found a good solution which Vincenzo Riccati and Saladini simplified and improved. Al'Haitam wrote a treatise on optics Kitab al-manazir, translated into Latin as Opticae thesaurus Alhazeni (1270). He worked on reflection, refraction, lenses, parabolic and spherical mirrors, spherical aberration and atmospheric refraction. He wrote on these topics after experimenting with lenses and mirrors. His study of magnification with lenses led him to conclude that the magnifcation was caused by the curvature of the lens. He gave the first correct explanation of vision showing that light is reflected from an object into the eye. His study of refraction led him to propose that the atmosphere had a finite depth of about 15 km. He explained twilight by refraction of sunlight once the Sun was less than 19
The House Of Help Support Forums - View Profile: Alhazen View Profile alhazen. alhazen. New Arrival. Last Activity 0611-2003 0901 PM.Offline. Find all posts by alhazen. Find all threads started by alhazen. Referrals0. http://www.houseofhelp.com/forums/member.php?u=6170
Haupttext Translate this page Avicenna und alhazen. alhazen ist im Gegensatz zu Avicenna der Meinung, dass Farbenin der Dunkelheit bestehen, aber nicht auf das Auge wirken können. http://www.rudiviertel.de/avicenna.htm
Extractions: Rudi.Viertel@ t-online.de Avicenna und Alhazen Avicenna (Ibn Sina, 980 Provinz Buchara, Persien; Avicenna hatte erkannt, dass jeder einzelne Farbton eine Vielzahl von Abstufungen umfaßt, die sich nur in der Helligkeit unterscheiden. Er kannte auch bereits eine Abfolge vom Weiß über alle Grauwerte zum Schwarz. In der aus dem 12. Jh. stammenden lateinischen Übersetzung seiner Werke werden drei Farbreihen herausgestellt: "Die erste reine Skala der Unbuntarten, die über subpallidum und pallidum, eine zweite die über Fahlrot (sunrubeus) und Rot, und eine dritte, die über Grün und Indigo führte." Diese Farbreihen wurden von Vinzenz von Beauvais in seine Enzyklopädie aufgenommen (Speculum naturae II, Kap. lxviii) und von
Alhazen alhazen. alhazen (Abu Ali alHasan Ibn Alhasan), (965-1038) byl arabskýmatematik. On byl narozený u Basra a umrel u Káhira. http://wikipedia.infostar.cz/a/al/alhazen.html