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- Prosper-René_Blondlot abstract "Prosper-René Blondlot (3 July 1849 – 24 November 1930) was a French physicist, best remembered for his mistaken \"discovery\" of N rays, a phenomenon that subsequently proved to be illusory.Born in Nancy, France, he spent most of his early years there, teaching physics at the University, being awarded three prestigious prizes of the Académie des Sciences for his experimental work on the consequences of Maxwell's theory of electromagnetism.In order to demonstrate that a Kerr cell responds to an applied electric field in a few tens of microseconds, Blondlot, in collaboration with Ernest Bichat, adapted the rotating-mirror method that Léon Foucault had applied to measure the speed of light. He further developed the rotating mirror to measure the speed of electricity in a conductor, photographing the sparks emitted from two conductors, one 1.8 km longer than the other and measuring the relative displacement of their images. He thus established that the speed of electricity in a conductor is very close to that of light.In 1891, he made the first measurement of the speed of radio waves, by measuring the wavelength using Lecher lines. He used 13 different frequencies between 10 and 30 MHz and obtained an average value of 297,600 km/s, which is within 1% of the current value for the speed of light. This was an important confirmation of James Clerk Maxwell's theory that light was an electromagnetic wave like radio waves.In 1903, Blondlot announced that he had discovered N rays, a new species of radiation. The \"discovery\" attracted much attention over the following year until Robert W. Wood showed that the phenomena were purely subjective with no physical origin. The French Academy of Sciences awarded the Prix Leconte (₣50,000) for 1904 to Blondlot, although they hedged on the reason, citing the totality of his work rather than the discovery of N-rays.Little is known about Blondlot's later years. William Seabrook stated in his Wood biography Doctor Wood, that Blondlot went insane and died, supposedly as a result of the exposure of the N ray debacle: \"This tragic exposure eventually led to Blondlot's madness and death.\" Using an almost identical wording this statement was repeated later by Martin Gardner: \"Wood's exposure led to Blondlot's madness and death.\" However, Blondlot continued to work as a university professor in Nancy until his early retirement in 1910. He died at the age of 81; at the time of the N-ray affair he was about 54-55 years old.".
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- Prosper-René_Blondlot wikiPageRevisionID "703077945".
- Prosper-René_Blondlot wikiPageWikiLink Category:1849_births.
- Prosper-René_Blondlot wikiPageWikiLink Category:1930_deaths.
- Prosper-René_Blondlot wikiPageWikiLink Category:French_physicists.
- Prosper-René_Blondlot wikiPageWikiLink Category:Nancy-Université_faculty.
- Prosper-René_Blondlot wikiPageWikiLink Electric_field.
- Prosper-René_Blondlot wikiPageWikiLink Electromagnetic_radiation.
- Prosper-René_Blondlot wikiPageWikiLink Ernest_Bichat.
- Prosper-René_Blondlot wikiPageWikiLink France.
- Prosper-René_Blondlot wikiPageWikiLink French_Academy_of_Sciences.
- Prosper-René_Blondlot wikiPageWikiLink Hertz.
- Prosper-René_Blondlot wikiPageWikiLink Insanity.
- Prosper-René_Blondlot wikiPageWikiLink James_Clerk_Maxwell.
- Prosper-René_Blondlot wikiPageWikiLink Kerr_effect.
- Prosper-René_Blondlot wikiPageWikiLink Lecher_lines.
- Prosper-René_Blondlot wikiPageWikiLink Leconte_Prize.
- Prosper-René_Blondlot wikiPageWikiLink Léon_Foucault.
- Prosper-René_Blondlot wikiPageWikiLink Martin_Gardner.
- Prosper-René_Blondlot wikiPageWikiLink N_ray.
- Prosper-René_Blondlot wikiPageWikiLink Nancy,_France.
- Prosper-René_Blondlot wikiPageWikiLink Nancy-Université.
- Prosper-René_Blondlot wikiPageWikiLink Physicist.
- Prosper-René_Blondlot wikiPageWikiLink Physics.
- Prosper-René_Blondlot wikiPageWikiLink Radiation.
- Prosper-René_Blondlot wikiPageWikiLink Radio_wave.
- Prosper-René_Blondlot wikiPageWikiLink Robert_W._Wood.
- Prosper-René_Blondlot wikiPageWikiLink Speed_of_light.
- Prosper-René_Blondlot wikiPageWikiLink Wavelength.
- Prosper-René_Blondlot wikiPageWikiLink William_Seabrook.
- Prosper-René_Blondlot wikiPageWikiLinkText "Prosper-René Blondlot".
- Prosper-René_Blondlot wikiPageUsesTemplate Template:Authority_control.
- Prosper-René_Blondlot wikiPageUsesTemplate Template:Reflist.
- Prosper-René_Blondlot subject Category:1849_births.
- Prosper-René_Blondlot subject Category:1930_deaths.
- Prosper-René_Blondlot subject Category:French_physicists.
- Prosper-René_Blondlot subject Category:Nancy-Université_faculty.
- Prosper-René_Blondlot hypernym Physicist.
- Prosper-René_Blondlot type Person.
- Prosper-René_Blondlot type Scientist.
- Prosper-René_Blondlot type Diacritic.
- Prosper-René_Blondlot type Redirect.
- Prosper-René_Blondlot type Scientist.
- Prosper-René_Blondlot type Thing.
- Prosper-René_Blondlot comment "Prosper-René Blondlot (3 July 1849 – 24 November 1930) was a French physicist, best remembered for his mistaken \"discovery\" of N rays, a phenomenon that subsequently proved to be illusory.Born in Nancy, France, he spent most of his early years there, teaching physics at the University, being awarded three prestigious prizes of the Académie des Sciences for his experimental work on the consequences of Maxwell's theory of electromagnetism.In order to demonstrate that a Kerr cell responds to an applied electric field in a few tens of microseconds, Blondlot, in collaboration with Ernest Bichat, adapted the rotating-mirror method that Léon Foucault had applied to measure the speed of light. ".
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- Prosper-René_Blondlot wasDerivedFrom Prosper-René_Blondlot?oldid=703077945.
- Prosper-René_Blondlot isPrimaryTopicOf Prosper-René_Blondlot.