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  • The Discovery of the Electron - AIP
    An exhibit by the AIP Center for History of Physics with text, animations and voice about J J Thomson's 1897 experiments which helped bring understanding of the electron as a fundamental unit of matter
  • Discovery of the Electron - AIP
    This web exhibit ventures into the experiments by J J Thomson that led to the discovery of a fundamental building block of matter Brought to you by the American Institute of Physics
  • Rutherfords Nuclear World: The Story of the Discovery of the . . . - AIP
    The last dramatic development of 1932 at the Cavendish was the demonstration by Patrick Blackett and Giuseppe Occhialini of the existence of the “positive electron” or positron Usually the discovery of the positron is credited to Carl Anderson at California Institute of Technology
  • Rutherfords Nuclear World: The Story of the Discovery of the Nucleus . . .
    Alpha Particles and the Atom Rutherford at Manchester, 1907–1919 Ernest Rutherford discovered the nucleus of the atom in 1911 We read this in textbooks and in popular writings But what does that statement mean? Geographical discovery usually means that one sees a place for the first time But can discovery be the same for a realm hidden from sight? One cannot see an atom in that sense So
  • The Legacy of the Electron - AIP
    The technologies built on the discovery of the electron also rely on more recent basic research, mostly paid for by taxpayers You can EXIT to our Transistorized! exhibit, or to mini-exhibits on computers and medical imaging
  • Rutherfords Nuclear World: The Story of the Discovery of the . . . - AIP
    Following the discovery of radioactivity and new kinds of rays in 1896 in France by Pierre (1859–1906) and Marie Curie (1867–1934) and Henri Becquerel (1852–1908), Rutherford shifted from investigating ionization to studying the rays given off by radioactive materials
  • Rutherfords Nuclear World: The Story of the Discovery of the . . . - AIP
    The positron interacts with an electron and forms a pair of high-frequency protons, or gamma rays The camera sees these protons coming out, and can reconstruct an image of the patient’s insides from the information
  • From Thomsons Corpuscles to the Electron - AIP
    This web exhibit ventures into the experiments by J J Thomson that led to the discovery of a fundamental building block of matter Brought to you by the American Institute of Physics
  • A Look Inside the Atom - AIP
    This web exhibit ventures into the experiments by J J Thomson that led to the discovery of a fundamental building block of matter Brought to you by the American Institute of Physics
  • Marie Curie - Research Breakthroughs (1897-1904) - AIP
    This web exhibit from the American Institute of Physics explores the life and science of Marie Curie, from her childhood to the discovery of radium





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