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Topic: Wilhelm Wien


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In the News (Sun 15 Nov 09)

  
  Wilhelm Wien - Wikipedia, the free encyclopedia
Wilhelm Carl Werner Otto Fritz Franz Wien (January 13, 1864 – August 30, 1928) was a German physicist who, in 1893, used theories about heat and electromagnetism to compose Wien's displacement law, which relates the maximum emission of a flbody to its temperature.
Wien was awarded the Nobel Prize for Physics for 1911.
Wien was born at Fischhausen, in East Prussia (now Poland) as the son of landowner Carl Wien.
en.wikipedia.org /wiki/Wilhelm_Wien   (346 words)

  
 BookRags: Wilhelm Wien Biography
Wilhelm Carl Werner Otto Fritz Franz Wien was born on January 13, 1864, on his family's farm at Gaffken, near Fischhausen, in East Prussia.
Wien's mother was a particularly strong influence in her son's life.
Wien was married to Luise Mehler in 1898.
www.bookrags.com /biography/wilhelm-wien-wop   (1176 words)

  
 Işık   (Site not responding. Last check: 2007-10-21)
Wilhelm Wien worked at the Physikalisch- Technische Reichsanstalt in Berlin- Charlottenburg where he was a colleague of Planck.
Wien was appointed professor of physics at Giessen in 1899 and professor of physics at Munich in 1920.
In 1912 [Einstein] turned by letter to W Wien with the request to measure the difference between the periods of oscillation of pendulums made of uranium and lead, as well as the proportionality of inertial and gravitational masses of a uranium and a lead weight, respectively, namely with a torsion balance.
www.kameraarkasi.org /light/mucitler/wien.html   (391 words)

  
 Wilhelm Wien - Biography
Wilhelm Wien was born on January 13, 1864 at Fischhausen, in East Prussia.
The method used by Wien resulted some 20 years later in the spectrography of masses, which has made possible the precise measurement of the masses of various atoms and their isotopes, necessary for the calculation of the energies released by nuclear reactions.
Wien was a member of the Academies of Sciences of Berlin, Göttingen, Vienna, Stockholm, Christiania and Washington, and an Honorary member of the Physical Society of Frankfurt-on-Main.
nobelprize.org /physics/laureates/1911/wien-bio.html   (985 words)

  
 Wien Hotel
The Wien has its source in the western Wienerwald near Rekawinkel and its mouth at the eastern end of the city center of Vienna, next to the Urania, where it flows into the Donaukanal ("Danube canal"), a branch of the Danube.
In its headwaters in the Wienerwald, the soil is underlain by sandstone.
Thus the flow of the Wien can quickly increase from a creek-like 200 liters per second to (in the heaviest rains or during the spring snowmelt in the Wienerwald), 450,000 liters per second, a ratio of over 2000.
www.artistbooking.com /trips/228/wien-hotel.html   (1216 words)

  
 Britannica India: Biographies
In 1893 Wien stated in his law that this maximum wavelength is inversely proportional to the absolute temperature of the body.
Because the accuracy of Wien's law declined for longer wavelengths, Max Planck was led to further investigations culminating in his quantum theory of radiation.
Wien was appointed professor of physics at the University of Giessen in 1899 and at the University of Munich in 1920.
www.britannicaindia.com /biographies_newtry.asp?id=140   (240 words)

  
 Wilhelm - Wikipedia, the free encyclopedia
Wilhelm I, German Emperor, King of Prussia and German Emperor
Wilhelm II, German Emperor, grand-son of the former, King of Prussia and German Emperor
Wilhelm Wien, Nobel Prize Winner in 1911 and scientist who created Wien's Displacement Law, concerning Black Body and Temperature
en.wikipedia.org /wiki/Wilhelm   (158 words)

  
 BookRags: Wilhelm Wien Biography
Wien's most productive period was the decade of the 1890s, when his main area of interest was the nature of flbody radiation.
In about 1893 Wien began a theoretical analysis of the characteristics of flbody radiation beginning with the fundamental laws of thermodynamics.
The first of these, now known as Wien's displacement law, says that the wavelength of radiation emitted by a flbody is inversely proportional to the temperature of the body.
www.bookrags.com /biography/wilhelm-wien-wsd   (758 words)

  
 Eugen Goldstein, Wilhelm Wien, en de kanaalstralen, 1886-1912   (Site not responding. Last check: 2007-10-21)
In this article, the early history of canal rays is analyzed, starting from Eugen Goldstein's discovery of the phenomenon in 1886 and Wilhelm Wien's subsequent investigations from 1897 until 1912.
Wien argued that canal rays consist of positively charged particles, which are the counterparts of the negatively charged cathode rays (electrons).
After this historical description, the article examines possible reasons why the canal rays were ignored for such a long time after their discovery, the highly experimental character of Wien's investigations (in spite of his reputation as a theoretician), and the relationship between Wien's work and J.J. Thomson's research on canal rays.
www.ph.vu.nl /~regt/TGGNWT1989.html   (253 words)

  
 Highbeam Encyclopedia - Search Results for Wien,
Wien Konzerte, Oper Alle Wien Konzerte, Oper und mehr!
Wien, Wilhelm WIEN, WILHELM [Wien, Wilhelm], 1864-1928, German physicist.
All in the Wien family: getting through downturns and profiting during the upside is what the small trading boutique has going for it.(Wien Securities)
www.encyclopedia.com /SearchResults.aspx?Q=Wien,   (503 words)

  
 Deutsches Museum - Archive - Completed Projects
The scientific papers from the estate of the physicist and Nobel prize winner Wilhelm Wien (1864-1928) are among the most important holdings in the archive of the German Museum.
Wien's correspondence with Max Planck, which is preserved in the manuscript division of the State Library of Prussian Cultural Properties in Berlin, has also been included in the finding aid for Wien's papers as a whole.
Wilhelm Füßl / Hans-Joachim Becker: Sicherung und Erschließung historischer Glasplattenbestände zur Geschichte der Technik, in: Museum heute.
www.deutsches-museum.de /bib/archiv/e_ab_pro.htm   (722 words)

  
 Wien biography
Planck, who was a colleague of Wien's when he was carrying out this work, later, in 1900, based
on the fact that Wien's law, while valid at high frequencies, broke down completely at low frequencies.
46 (4) (1989), 417-422.',4)" onmouseover="window.status='Click to see reference';return true">4] a letter from Einstein to Wien is described in which he asks Wien to conduct an experimental proof of the principle of equivalence which Einstein had proposed from purely theoretical considerations in 1907:-
www-history.mcs.st-and.ac.uk /history/Biographies/Wien.html   (449 words)

  
 Wien Wilhelm - Search Results - ninemsn Encarta   (Site not responding. Last check: 2007-10-21)
Wien Wilhelm - Search Results - ninemsn Encarta
Wien, Wilhelm (1864-1928), German physicist and Nobel laureate, noted for his work on flbody radiation (Heat Transfer).
See also Ludwig Boltzmann; Max Planck; Joseph Stefan; Wilhelm Wien.
au.encarta.msn.com /Wien_Wilhelm.html   (83 words)

  
 Planck's Hypothesis
By combining the formulas of Wien and Rayleigh, Planck announced in 1900 a formula now known as Planck's radiation formula.
From the time that Kirchhoff enunciated the principle "that the intensity of radiation from a fl body is dependent only upon the wavelength of the radiation and the temperature of the radiating body, a relationship worth while investigation", the theoretical treatment of the radiation problem has provided a rich, fertile source of fresh discoveries.
Since it was clear, however, that this did not correspond exactly with the reality, but was rather, like a radiation law propounded by Lord Rayleigh, only a special case of the general radiation law, Planck sought for, and in 1900 found, a mathematical formula for the latter, which he derived theoretically later on.
hypertextbook.com /physics/modern/planck   (1064 words)

  
 Information from Astronomical Spectra
In the early 1890s Wilhelm Wien investigated thermodynamics and coined the term fl body for an ideal radiator.
He used it to estimate the effective temperature of the Sun at 6,000 K which was much closer than the previous estimate of 10,000 K predicted using the Stefan-Boltzmann law of radiation.
The value of Wien's relationship is that if you can measure the wavelength of maximum intensity from a spectrum, you can use it to calculate a value for the effective temperature.
outreach.atnf.csiro.au /education/senior/astrophysics/spectra_info.html   (1940 words)

  
 Wilhelm Wien Winner of the 1911 Nobel Prize in Physics
Wilhelm Wien Winner of the 1911 Nobel Prize in Physics
Wilhelm Wien — Biography (submitted by Chinnappan Baskar)
Wilhelm Wien Biography from Encyclopedia Britannica (submitted by www.britannica.com)
www.almaz.com /nobel/physics/1911a.html   (80 words)

  
 SparkNotes: Max Planck: The Black Box
And, in 1896, a young German physicist working there, Wilhelm Wien, seemed to have stumbled onto an equation that worked.
With the knowledge of the spectral distribution of the energy at one temperature, Wien's equation would produce the distribution for any other temperature.
It was an experimentally accurate theory, but Wien had no explanation for why his equation worked; he knew only that it did.
www.sparknotes.com /biography/planck/section2.rhtml   (1015 words)

  
 Search Results for "Wien"
Wien, Wilhelm, (vil´helm ven) (KEY), 1864-1928, German physicist.
...Florence Heller School for Advanced Studies in Social Welfare is well known, as is its Wien International Scholarship Program.
2See his autobiography Soros on Soros (with B. Wien and K. Koenen, 1995); biographies by R. Slater (1995) and M. Kaufman (2002)....
www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=col65&query=Wien   (156 words)

  
 Multiwavelength MW - Radiation Laws   (Site not responding. Last check: 2007-10-21)
If an object peaks in the ultraviolet portion of the electromagetic spectrum, more of its emitted radiation is on the violet/blue end of the visible spectrum than on the red end, so we see the object as being blue in color.
Wien's law is named after a German physicist, Wilhelm Wien.
In connection with COBE and the TARP (Technology And Research Partnership) project, two high school students have written a short discussion on Blackbody radiation and Wien's Law.
adc.gsfc.nasa.gov /mw/mmw_bbody.html   (455 words)

  
 Planck_biography
Wien's displacement law was established by the German physicist Wilhelm Wien (1864-1928) in 1893.
The general idea therefore was to consider a very large number of oscillators having all possible frequencies, impose the condition that they be in thermal equilibrium with one another at the temperature in question and then determine what the distribution of intensities among the different oscillators satisfied these requirements.
Wien proposed one variant that agreed with experiment at short wavelengths.
courses.science.fau.edu /~rjordan/bios/Planck/Planck_bio.htm   (2254 words)

  
 Wien - Welcome to ftw.   (Site not responding. Last check: 2007-10-21)
Wilhelm Wien Wilhelm Wien was born on January 13, 1864 at Fischhausen, For this work Wien was awarded the Nobel Prize for Physics for 1911.
In recent years, the Theater an der Wien has become widely known for hosting premieres of musicals, although it has recently devoted itself to the opera
The Grand Hotel Wien in Vienna, Austria offers 5 star quality and service during your stay in Vienna, Austria.
xn--vuq09tw3f37nw8v.com /?q=wien   (151 words)

  
 Wilhelm Wien   (Site not responding. Last check: 2007-10-21)
The Raisin Pudding Model of the Atom (Wilhelm Wien)
By 1898 Wilhelm Wien was able to show that canal rays could be deflected by both magnetic and electric fields, as would be expected for particles that carry an electric charge.
The charge-to-mass ratio for the positively charged canal rays depends on the gas used to fill the tube because the nature of the ions produced when the atoms or molecules lose electrons depends on the identity of the gas.
chemed.chem.purdue.edu /genchem/history/wien.html   (169 words)

  
 AllRefer.com - Wilhelm Wien (Physics, Biography) - Encyclopedia
AllRefer.com - Wilhelm Wien (Physics, Biography) - Encyclopedia
Wilhelm Wien[vil´helm vEn] Pronunciation Key, 1864–1928, German physicist.
More articles from AllRefer Reference on Wilhelm Wien
reference.allrefer.com /encyclopedia/W/Wien-Wil.html   (160 words)

  
 Planck   (Site not responding. Last check: 2007-10-21)
On January 22, 1901, Queen Victoria died, ending the longest, perhaps the dourest, reign in Britain's history, nearly two-thirds of the 19th Century, and allowing her son Edward, whose love of fun extended to popular science lectures, to usher in the Edwardian era.
Trouble was already brewing with Victoria's grandson in Berlin, Friedrich Wilhelm Viktor Albert, who was both King of Prussia and Kaiser Wilhelm II of Germany.
In 1930 Planck became President of the Kaiser Wilhelm Society for the Promotion of Science, but he suffered greatly during the Nazi years, when he remained in Germany because of his sense of duty but was openly opposed to the govenment's policies, particularly those regarding the Jews.
ursula.chem.yale.edu /~chem125/125/history99/7BondTheory/planck.htm   (3277 words)

  
 Bach Wilhelm Friedemann - Search Results - MSN Encarta
Bach Wilhelm Friedemann - Search Results - MSN Encarta
Bach, Wilhelm Friedemann (1710-1784), German composer and organist, oldest son of Johann Sebastian Bach, born in Weimar, and instructed in music by...
In 1707 he married a second cousin, Maria Barbara Bach, and went to Mülhausen as organist in the Church of St Blasius.
uk.encarta.msn.com /Bach_Wilhelm_Friedemann.html   (111 words)

  
 Wien W Wilhelm 1864 1928 Wilhelm Wien papers, 1890-1928 (inclusive), [microform] AIP International Catalog of Sources
Wien W Wilhelm 1864 1928 Wilhelm Wien papers, 1890-1928 (inclusive), [microform] AIP International Catalog of Sources
The papers consist of correspondence, scientific papers, material relating to German scientists and World War I, and other papers of Wilhelm Wien, physicist.
Also included are letters from Max Planck, 1900-1928, to Wilhelm Wien.
www.aip.org /history/catalog/icos/5764.html   (90 words)

  
 Roux Wilhelm - Search Results - ninemsn Encarta
Roux Wilhelm - Search Results - ninemsn Encarta
Roux, Wilhelm (1850-1924), German experimental embryologist, who championed active experimental interventions into the development of organisms from...
Ostwald, Wilhelm (1853-1932), German physical chemist and Nobel laureate, considered one of the founders of modern physical chemistry.
au.encarta.msn.com /Roux_Wilhelm.html   (93 words)

  
 Wilhelm Schneider   (Site not responding. Last check: 2007-10-21)
wilhelm {dot} schneider+e322 {at} tuwien {dot} ac {dot} at
Springer-Verlag Wien (since 1993, about 10 books per year).
Antrittsvorlesungen der Technischen Hochschule in Wien, Verlag der Technischen Universität Wien, 1976.
www.fluid.tuwien.ac.at /institute/people/wilhelm_schneider   (3175 words)

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