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Michael Faraday (/ ˈ f ær ə d eɪ,-d i /; 22 September 1791 – 25 August 1867) was an English chemist and physicist who contributed to the study of electrochemistry and electromagnetism. His main discoveries include the principles underlying electromagnetic induction , diamagnetism , and electrolysis .
Although development of the first radio wave communication system is attributed to Guglielmo Marconi, his was just the practical application of 80 years of scientific advancement in the field including the predictions of Michael Faraday, the theoretical work of James Clerk Maxwell, and the experimental demonstrations of Heinrich Rudolf Hertz. [1]
In 1846 Michael Faraday speculated that light was a wave disturbance in a "force field". [ 22 ] Expanding upon a series of experiments by Felix Savary, [ 23 ] [ 24 ] [ 25 ] between 1842 and 1850 Joseph Henry performed experiments detecting inductive magnetic effects over a distance of 200 feet (61 m).
Glazed frame, containing "Delineation of Lines of Magnetic Force by Iron filings" prepared by Michael Faraday Michael Faraday was the first who suggested that action at a distance was inadequate as an account of electric and magnetic forces, even in the form of a (mathematical) potential field.
Michael Faraday: 1791–1867 British (English) Electric charge: faraday (F) Jean Léonard Marie Poiseuille: 1797–1869 French Dynamic viscosity: poise (P) Anders Jonas Ångström: 1814–1874 Swedish: Length: angstrom (Å) Sir George Stokes, 1st Baronet: 1818–1903 British Kinematic viscosity: stokes (St) William John Macquorn Rankine: 1820 ...
As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers.
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Michael Faraday presenting his experiments with electromagnetism at a Christmas Lecture, 1856. This episode provides an overview of the nature of electromagnetism, as discovered through the work of Michael Faraday. Tyson explains how the idea of another force of nature, similar to gravitational forces, had been postulated by Isaac Newton before.