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  1. 8 de dez. de 2023 · Biography. Karl Ferdinand Braun was born on June 6th 1850, son to a public official in Fulda. Between 1864 and 1866, when Braun was still a teenager, he already wrote several long scientific essays for example about water or crystals. In 1868 he started studying physics, chemistry and math at the University of Marburg.

  2. Karl Ferdinand Braun. * June 06, 1850, in Fulda (Germany) † April 20, 1918, in Brooklyn/New York (USA) Ferdinand Braun was an experimental physicist during the period of Wilhelmian Germany. He worked on thermodynamics, electrochemistry, and electrical instruments. Ferdinand Braun discovered the rectifier effect in semiconductors, built the ...

  3. 23 de dez. de 2014 · Figura 1: Karl Ferdinand Braun, que descobriu o efeito retificador. É muito interessante observar que isso ocorreu em 1874, 23 anos antes da descoberta do elétron, feita por J. J. Tompsom , em 1897.

  4. 6 de abr. de 2017 · The first cathode ray tube scanning device was invented by the German scientist Karl Ferdinand Braun in 1897. Braun introduced a CRT with a fluorescent screen, known as the cathode ray oscilloscope. The screen would emit a visible light when struck by a beam of electrons. In 1907, the Russian scientist Boris Rosing (who worked with Vladimir ...

  5. Electrical Oscillations and Wireless Telegraphy. Read the Nobel Lecture. Pdf 238 kB. From Nobel Lectures, Physics 1901-1921, Elsevier Publishing Company, Amsterdam, 1967. The Nobel Foundation's copyright has expired. To cite this section. MLA style: Ferdinand Braun – Nobel Lecture. NobelPrize.org. Nobel Prize Outreach AB 2024. Sat. 8 Jun 2024 ...

  6. In the first written description of a semiconductor diode, Ferdinand Braun notes that current flows freely in only one direction at the contact between a metal point and a galena crystal. German physicist Ferdinand Braun, a 24-year old graduate of the University of Berlin, studied the characteristics of electrolytes and crystals that conduct electricity at Würzburg University in 1874.

  7. Ferdinand Braun foi um físico alemão, nascido em 1850. No campo da eletricidade seus experimentos levaram à invenção do eletrômetro [1,2] que leva seu nome, e de um oscilógrafo de tubo de raios catódicos (1897). Embora fuja ao tema aqui em discussão (eletrostática), é importante registrar que em 1898 Braun passou a investigar a ...