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A 1906 proposal to change to electrion failed because Hendrik Lorentz preferred to keep electron. [25] [26] The word electron is a combination of the words electric and ion. [27] The suffix -on which is now used to designate other subatomic particles, such as a proton or neutron, is in turn derived from electron. [28] [29]
[38] [39] For some years Thomson resisted using the word "electron" because he didn't like how some physicists talked of a "positive electron" that was supposed to be the elementary unit of positive charge just as the "negative electron" is the elementary unit of negative charge.
1897 J. J. Thomson discovered the electron; 1897 Emil Wiechert, Walter Kaufmann and J.J. Thomson discover the electron; 1898 Marie and Pierre Curie discovered the existence of the radioactive elements radium and polonium in their research of pitchblende; 1898 William Ramsay and Morris Travers discover neon, and negatively charged beta particles
Pennsylvania's most populous city is Philadelphia. Pennsylvania was founded in 1681 through a royal land grant to William Penn, the son of the state's namesake. Before that, between 1638 and 1655, a southeast portion of the state was part of New Sweden, a Swedish colony.
Its lesser size and power compared with electron tubes brings (from 1955) portable radio receivers starting its march through all areas of electronics. The Hungarian-American physicist Peter Carl Goldmark (1906–1977) invents the vinyl record (first published 1952), much less noisy than their predecessors shellac.
He was born in Cressona, Pennsylvania on February 26, 1858 to William Hammer (1827–1895) and Martha Augusta Beck (1827–1861). [1] [2]He became a laboratory assistant to Thomas Edison in December 1879, and assisted in the development of the incandescent light bulb. [3]
J. J. Thomson (1856–1940) discovered the electron and isotopy and also invented the mass spectrometer. He was awarded the Nobel Prize in Physics in 1906. In the 19th century, experimenters began to detect unexpected forms of radiation: Wilhelm Röntgen caused a sensation with his discovery of X-rays in 1895; in 1896 Henri Becquerel discovered ...
George Johnstone Stoney (15 February 1826 – 5 July 1911) was an Irish physicist known for introducing the term electron as the "fundamental unit quantity of electricity". [1] He initially named it "electrolion" in 1881, [2] and later named it “electron” in 1891. [3] [4] [5] He published around 75 scientific papers during his lifetime.