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Topic: Buffon


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In the News (Wed 11 Nov 09)

  
  Georges-Louis Leclerc, Comte de Buffon - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-06)
Buffon is best remembered for his great work Histoire naturelle, générale et particulière (1749-1788: in 36 volumes, 8 additional volumes published after his death by Lacepede).
Buffon's work is considered to have greatly influenced modern ecology (see history of ecology).
Buffon performed one of the most comprehensive series of tests that had been undertaken at their time on the mechanical properties of wood.
www.pineville.us /project/wikipedia/index.php/Buffon   (697 words)

  
 Georges-Louis Leclerc de Buffon - Wikipedia
Buffon vertrat die Ansicht, dass alle Mitglieder einer Familie von Arten vom gleichen Vorfahren abstammen, von dem ausgehend sich einige vervollkommnet, andere jedoch zurückgebildet haben.
Buffon sah zum Beispiel in einem Affen einen unvollständigen oder rückgebildeten Menschen.
Seine Theorien sowie methodische Angaben zur Naturforschung erläuterte Buffon ausführlich in den ersten drei Bänden seines in Zusammenarbeit mit Louis Jean-Marie Daubenton (* 1716 bis † 1799) verfassten umfangreichen Werkes zur Naturgeschichte Histoire naturelle générale et particulière.
de.wikipedia.org /wiki/Georges-Louis_Leclerc_de_Buffon   (439 words)

  
 Georges-Louis Leclerc, Comte de Buffon - Wikipedia, the free encyclopedia
Georges-Louis Leclerc, Comte de Buffon (September 7, 1707 – April 16, 1788) was a French naturalist, mathematician, biologist, cosmologist and author.
Buffon is best remembered for his great work Histoire naturelle, générale et particulière (1749-1788: in 36 volumes, 8 additional volumes published after his death by Lacépède).
Buffon performed one of the most comprehensive series of tests that had been undertaken at his time on the mechanical properties of wood.
en.wikipedia.org /wiki/Buffon   (667 words)

  
 The Academy of Natural Sciences - Museum - Thomas Jefferson Fossil Collection   (Site not responding. Last check: 2007-10-06)
Buffon believed that heat from the interior of the Earth provided the additional warmth, but he rejected a widely held notion that it originated from an "internal fire." Instead, he held that the internal heat of the Earth was residual.
Buffon's estimate of 75,000 years is far short of the billions of years we now assign to the age of the Earth, but it was a stark departure from the approximately 4,000 year biblically-derived chronology.
Buffon himself had stated that some marine fossils such as the ammonites and belemnites (cephalopod mollusks common in the Mesozoic) must be extinct in "Théorie de la terre" (Theory of the Earth), an essay he published in 1749.
www.acnatsci.org /museum/jefferson/otherPages/epochs.html   (3196 words)

  
 Georges-Louis Leclerc, comte de Buffon - Wikipédia
Georges-Louis Leclerc, comte de Buffon (7 septembre 1707 - 16 avril 1788), naturaliste, mathématicien, biologiste, cosmologiste et écrivain français.
Buffon est surtout célèbre pour son œuvre majeure, l'Histoire naturelle, générale et particulière, en 36 volumes parus de 1749 à 1789, dont 8 après sa mort grâce à Bernard Lacépède.
Buffon et ses collaborateurs pillent les œuvres de leurs prédécesseurs d'Aristote à Pline, de Belon à Gessner...
fr.wikipedia.org /wiki/Buffon   (1097 words)

  
 Georges-Louis Leclerc, Comte de Buffon (1707-1788)   (Site not responding. Last check: 2007-10-06)
Buffon also published Les Epoques de la Nature (1788) where he openly suggested that the planet was much older than the 6,000 years proclaimed by the church, and discussed concepts very similar to Charles Lyell's "uniformitarianism" which were formulated 40 years later.
Buffon was born into the wealth and prestige of the French aristocracy and was educated in law and medicine, but his real interest was nature.
Buffon's courageous way of looking at the world paved the way for subsequent revolutionary thinkers who are responsible for much of what we know about the natural world.
www.ucmp.berkeley.edu /history/buffon2.html   (215 words)

  
 Gianluigi Buffon - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-06)
Gianluigi Buffon (born January 28, 1978 in Carrara) is an Italian football player.
He is a goalkeeper for Juventus and the Italian national team, and is generally regarded as one of today's top goalkeepers.
Buffon currently the current world record fee paid for a goalkeeper after his July 2001 move from Parma to Juventus for 36 million pounds.
www.secaucus.us /project/wikipedia/index.php/Gianluigi_Buffon   (245 words)

  
 The Academy of Natural Sciences - Museum - Thomas Jefferson Fossil Collection   (Site not responding. Last check: 2007-10-06)
Buffon reasoned that reduced stature and diversity of quadrupeds in the New World was attributable to an unfavorable climate.
Buffon believed that the true unit of Nature was the species, which was based on his idea that members of a given species can successfully interbreed.
Buffon believed that the degenerated North American representatives of species found in Europe were driven away from their land of origin (Europe) by the activities of Man. (back)
www.acnatsci.org /museum/jefferson/otherPages/degeneracy-01.html   (1608 words)

  
 Buffon   (Site not responding. Last check: 2007-10-06)
It looked as though Buffon's son had a brilliant future and he was expected to achieve fame at least equal to that of his father.
Buffon proposed a method of creation of the planets which involved the collision of a comet with the sun.
Similarly Buffon argued that life came about on earth through the appearance of organic matter which was the result of heat on aqueous, oily substances.
www-groups.dcs.st-and.ac.uk /~history/Mathematicians/Buffon.html   (1637 words)

  
 CNNSI.com - 2002 World Cup - Buffon adds bravado, heritage to Italian campaign - Wednesday May 01, 2002 07:38 AM
Buffon was only the third-stringer for the Azzurri at the time, but he managed to make an indelible impression on the minds of Italian soccer fans.
Buffon was slated to start at Euro 2000 until an injury kept him out of the competition.
Buffon's immediate family members were also all members of an Italian national team.
sportsillustrated.cnn.com /soccer/world/2002/world_cup/news/2002/05/01/italy_buffon_ap   (750 words)

  
 Rocky Road: Buffon
Of course, Buffon was not without prejudice, describing native Africans as having "little intelligence" but "a great deal of feeling." He contributed his own blunders to science, insisting that the harsh, humid climate of the New World stunted its inhabitants, an idea Thomas Jefferson vigorously disputed and one Buffon himself later abandoned.
Buffon's own efforts at classification tried to arrange organisms by their community of origin, and in this effort he was a pioneer.
Buffon now believed that the earth indeed had a beginning, and it was originally a molten mass too hot for any living creature.
www.strangescience.net /buffon.htm   (1350 words)

  
 Biographie de Buffon
Enfant méditatif – Buffon n’aura plus tard de cesse de mettre en avant ce trait de caractère – il se plonge dans l’étude des mathématiques et de la géométrie sans doute pour rompre avec la tradition familiale.
Studieux, Buffon n’est pourtant pas un élève brillant.
Buffon y aborde l’origine du système solaire, la formation de la Terre, la fossilisation, les faunes et les flores anciennes.
www.infoscience.fr /histoire/portrait/buffon.html   (1094 words)

  
 AllRefer.com - Buffon, Georges Louis Leclerc, comte de (Biology, Biography) - Encyclopedia
Buffon, Georges Louis Leclerc, comte de, Biology, Biographies
Buffon, Georges Louis Leclerc, comte de[zhOrzh lwE luklerk´ kONt du bUfON´] Pronunciation Key, 1707–88, French naturalist and author.
From 1739 he was keeper of the Jardin du Roi (later the Jardin des Plantes) in Paris and made it a center of research during the Enlightenment.
reference.allrefer.com /encyclopedia/B/Buffon-G.html   (265 words)

  
 buffon   (Site not responding. Last check: 2007-10-06)
Buffon resisted the detailed taxonomic classifications of Linnaeus, arguing instead for a natural history that was dynamic and inclusive.
Buffon was succeeded in his post at the Jardin du Roi by the Count de Lacepede, who did research on electricity and published The Natural History of Oviparous Quadrupeds and Serpents in 1788, the year Buffon died.
Buffon's son was soon to be guillotined by revolutionary forces in France, but Buffon's massive work survived to influence natural historians in Europe and America for over a century.
www.dickinson.edu /~nicholsa/Romnat/buffon.htm   (417 words)

  
 George Glazer Gallery - Buffon Rhinoceros
Georges-Louis Marie Leclerc, the Count of Buffon, was a French aristocrat of formidable intellect and achievements, including books on mathematics and natural history.
Buffon’s Histoire Naturelle was his major achievement and an ambitious project characteristic of the 18th-century Enlightenment: a 44-volume encyclopedia attempting to include everything known about the natural world and widely disseminate scientific knowledge.
Decades before Darwin introduced his theory of evolution, Buffon dared to challenge religious thought with empirical observations, suggesting that the earth was older than 6,000 years and that the physical resemblance between humans and apes might be explained by their having a common ancestry.
www.georgeglazer.com /prints/nathist/mammals/buffonrhi.html   (409 words)

  
 Old Earth, Ancient Life: Georges-Louis Leclerc, Comte de Buffon
(Buffon only managed to publish 36 out of his projected 50 volumes before he died.) To create it, he was able to draw on his own astonishing expertise, which ranged from astronomy to botany, as well as the knowledge of experts he consulted.
Buffon believed that modern Indian and African elephants were migratory descendants of Siberian mammoths.
Buffon’s theories were visionary yet doomed, because they were based on the relatively skimpy evidence that eighteenth-century naturalists had at their disposal.
evolution.berkeley.edu /evolibrary/article/0_0_0/history_06   (752 words)

  
 Gianluigi Buffon
Buffon fa il suo esordio in serie A ad appena 17 anni in un Parma- Milan terminato 0-0.
Titolare fisso dalla stagione 96-97 Buffon gioca a Parma per sei stagioni prima di trasferirsi in bianconero.
Buffon a 25 anni si ritrova ad essere a giudizio di molti il più forte portiere del mondo e ad aspettarlo c'è senza dubbio un futuro ricco di vittorie.
www.calcionew.it /juve/buffon.php   (307 words)

  
 Buffon’s Needle Problem   (Site not responding. Last check: 2007-10-06)
Buffon first considered the case of a small coin ("un ecu") thrown at random on a floor tiled with congruent squares.
Buffon then raises the question of a more interesting case -- suppose one throws, not a circular object, but an object of a more complex shape, such as a square, a needle, or a "baguette" (a rod or stick).
A program to simulate the Buffon Needle Problem usually begins with a random number generator, which supplies two random numbers for each "throw" of the needle: one to indicate, say, the distance from a line on the floor to the "lower" end of the needle, and the other to indicate the orientation of the needle.
www.cut-the-knot.com /fta/Buffon/buffon9.shtml   (2720 words)

  
 Joho the Blog: Linnaeus and Buffon - Tales of Classification Superheroes
Buffon, on the other hand, presented a more hyperlinked system (as he would certainly not have said): Bats are more like mammals in their anatomy but more like birds in their function.
Buffon's Needle is an early example of probabilistic geometry, aka Monte Carlo methods, in which any long thin object, dropped randomly onto a regularly lined surface such as an American flag or gym floor, can be used to calculate pi.
The content of Buffons Natural History, and especially the way it discusses certain issues is very educating to someone trained in a modern academical way of arguing.
www.hyperorg.com /blogger/mtarchive/004185.html   (957 words)

  
 AskMen.com - Euro Cup 2004
Buffon was instrumental in Juventus' 2002 / 2003 Champions League campaign.
On the international stage Buffon played a crucial role in Italy's qualification for this year's Eurocup tournament.
Buffon, who does volunteer community work when not stopping shots, has a happy-go-lucky attitude that will certainly be appreciated should pressures mount.
www.askmen.com /specials/euro_cup_2004/gianluigi_buffon.html   (214 words)

  
 Buffon's Needle Problem
The convergence of the relative frequency of an event (as the experiment is repeated) to the probability of the event is a special case of the law of large numbers.
Thus, if we run Buffon's needle experiment a large number of times the proportion of crack crossings should be about the same as the probability of a crack crossing.
Run Buffon's needle experiment with an update frequency of 100 until the estimates of π seem to be consistently correct to two decimal places.
www.ship.edu /~deensl/mathdl/stats/Buffon.html   (760 words)

  
 Buffon's Macaw in Ecuador
An October, 1994, field investigation of the situation of Buffon's macaw Ara ambigua in western Ecuador reveals it to be in a precarious state.
Expanding on the first of these two points, Buffon's macaw reflects very well the situation of many other psittacines, which is that we have virtually no detail on its ecological requirements and life-cycle to confidently formulate and implement conservation management plans.
The provision of more nesting cavities is an important issue because no systematic assessment of the availability of natural cavities has been undertaken, and there may be a real shortage, especially given that the largest trees were removed from the area before it received protective status.
www.funnyfarmexotics.com /IAS/buffons.htm   (5765 words)

  
 Picasso: Buffon's Natural Histories
A case in point: the etchings illustrated below made for Buffon's Histoire Naturelle and the linocut that was published as a result of Picasso's fascination with his own work.
The spontaneity of the plates is attested by the freehand margins, the rapidly drawn line, aand the use of finger[prints for textural variety" (157-58).
One of Picasso's favorite subjects from one of the important early works, the Buffon portfolio first published in 1942.
spaightwoodgalleries.com /Pages/Picasso_Buffon.html   (679 words)

  
 Math Trek: Buffon's Needling Ants, Science News Online, May 13, 2000   (Site not responding. Last check: 2007-10-06)
The classic probability experiment known as Buffon's needle produces a statistical estimate of the value of pi, the ratio of a circle's circumference to its diameter.
In effect, an ant scout applies a variant of Buffon's needle theorem: The estimated area, A, of a flat surface is inversely proportional to the number of intersections, N, between two sets of lines, of total lengths S and L, randomly scattered across the surface, or A = 2SL/pN.
Moreover, the method is relatively insensitive to the shape of the area to be assessed and to the exact pattern of the tracks (as long as the tracks are not concentrated within just one region).
www.sciencenews.org /20000513/mathtrek.asp   (952 words)

  
 Georges Louis Leclerc Graf von Buffon
Als Privatgelehrter in (etwa ab 1730) beschäftigte sich Buffon zunächst mit Physik und Wahrscheinlichkeitsrechnung (Buffonsches Nadelproblem) wandte sich dann aber ganz der zu.
Buffon vertrat die Ansicht dass alle einer Familie von Arten vom gleichen Vorfahren abstammen dem ausgehend sich einige vervollkommnet andere jedoch haben.
Buffons Stufenleiteridee hatte einen sehr großen auf die Naturwissenschaft seiner Zeit und wirkte ins 19.
www.uni-protokolle.de /Lexikon/Georges_Louis_Leclerc_Graf_von_Buffon.html   (434 words)

  
 BUFFON   (Site not responding. Last check: 2007-10-06)
The BUFFON program was designed to simulate an experiment in mathematical probability.
This experiment is named after the French naturalist Count Buffon (1707-1788) who dropped needles on a floor made of wooden planks.
Buffon was trying to estimate the probability that a needle would fall across or into a crack.
archives.math.utk.edu /software/msdos/probability/jkbuffon/.html   (198 words)

  
 Buffon Online
Los Merengues have endured a torrid season by their own lofty standards and reports are suggesting president Florentino Perez is ready to sanction a number of summer signings.
Buffon had words of comfort for his Real counterpart Casillas, as he added: "To Casillas we say that no-one called-me, no-one looked at me.
Buffon, meanwhile, has urged Roma starlet Antonio Cassano to quit the capital and move to Turin.
www.buffononline.com /cgi-bin/news/viewnews.cgi?newsid1112165015,62338,   (231 words)

  
 Alibris: Buffon - 0801429188
Georges-Louis Leclerc, comte de Buffon (1707-1788), was perhaps the most important of Charles Darwin's predecessors, Director of the Royal Botanical Garden, and certainly the premier French scientist of the Enlightenment.
Buffon conducted experiments investigating a broad range of questions, from the burning effects of the sun's rays to the tensile strength of timber.
Using Buffon's enormous literary production as the major source of insight into his and his age's beliefs about the natural world, the book is both a biography and an analytical discussion of Buffon's science.
www.alibris.com /books/isbn/0801429188/Buffon   (242 words)

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