Wednesday, October 9, 2013

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Ago today, 155 years born Hertz | physicsgg
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Reminded us to google the graphic spa below Briefly, according to wikipedia, Heinrich Rudolph Hertz or Hertz, (Heinrich Rudolf Hertz), (1857-1894) was a German physicist. The first achieved the emission, transmission and reception of radio signals. Born on February 22, 1857 in Hamburg, and in 1880 gained his PhD from the University of Berlin. Confirmed spa the electromagnetic theory of James Clerk Maxwell and during experiments (1886 - 1889) produced and studied electromagnetic waves (also known as Hertzian waves, or radio). Demonstrated that these are transverse waves traveling at the speed of light can be reflected, refracted to, and polarized as the light. Approached the photoelectric effect. Developed the electrodynamics of moving particles. The unit of frequency, in Hertz, named in his honor. In his writings included works such as "The electric waves (1890, TR. 1893) and "Principles of engineering (1894, TR. 1899). Died in Bonn on January 1, 1894 at the age of 37 years.
O Charles Coulston Gillispe specifically writes the Hertz in the epilogue of his book "On the edge of truth": To 1885 o Heinrich Hertz constructed in his laboratory in Karlsruhe, an electric oscillator and caused some oscillations were not visible, but presenting other properties spa of light to frequency, refractivity, contribution, polarization etc, and which, as noted later broadcast at the same speed. So, the radio waves allowed the prediction of Maxwell - that light and electromagnetism are identical - to pass triumphant spa success with the test, which confirms or refutes a theory. Was the experimental victory par with each victory achieved in the history of science, and with greater strategic importance than they had most others because forced physicists to get new and different attitude and seriously address the problems surrounding space and ether, which was inaugurated by Faraday and formulate the Maxwell ....
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