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  2. Timeline of particle discoveries - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_particle...

    Antielectron (or positron), the first antiparticle, discovered by Carl D. Anderson [13] (proposed by Paul Dirac in 1927 and by Ettore Majorana in 1928) 1937 Muon (or mu lepton) discovered by Seth Neddermeyer, Carl D. Anderson, J.C. Street, and E.C. Stevenson, using cloud chamber measurements of cosmic rays [14] (it was mistaken for the pion ...

  3. J. J. Thomson - Wikipedia

    en.wikipedia.org/wiki/J._J._Thomson

    Plaque commemorating J. J. Thomson's discovery of the electron outside the old Cavendish Laboratory in Cambridge Autochrome portrait by Georges Chevalier, 1923 Thomson c. 1920–1925 Thomson was elected a Fellow of the Royal Society (FRS) [ 24 ] [ 49 ] and appointed to the Cavendish Professorship of Experimental Physics at the Cavendish ...

  4. Timeline of atomic and subatomic physics - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_atomic_and...

    The two discovering parties independently assign the discovered meson two different symbols, J and ψ; thus, it becomes formally known as the J/ψ meson. The discovery finally convinces the physics community of the quark model's validity. 1974 Robert J. Buenker and Sigrid D. Peyerimhoff introduce the multireference configuration interaction method.

  5. Timeline of physical chemistry - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_physical_chemistry

    Pais, Abraham ; Inward Bound – Of Matter & Forces in the Physical World, Oxford University Press (1986) ISBN 0-19-851997-4 Written by a former Einstein assistant at Princeton, this is a beautiful detailed history of modern fundamental physics, from 1895 (discovery of X-rays) to 1983 (discovery of vectors bosons at C.E.R.N.)

  6. Timeline of fundamental physics discoveries - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_fundamental...

    This timeline lists significant discoveries in physics and the laws of nature, including experimental discoveries, theoretical proposals that were confirmed experimentally, and theories that have significantly influenced current thinking in modern physics. Such discoveries are often a multi-step, multi-person process.

  7. Timeline of crystallography - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_crystallography

    1936 - Hans Boersch showed that electron microscope could be used as micro-diffraction cameras with an aperture [114] —the birth of selected area electron diffraction. [115]: Chpt 5-6 Chpt 5-6 1937 - Clinton Joseph Davisson and George Paget Thomson shared the Nobel Prize in physics "for their experimental discovery of the diffraction of ...

  8. Oldest, Middle, Younger and Only Children—Who You’re Most ...

    www.aol.com/lifestyle/oldest-middle-younger-only...

    So when it comes to birth order and compatibility, knowing how those traits can complement—or clash with—your partner’s birth o ... Based on Birth Order. Marissa Wu. July 11, 2024 at 10:00 ...

  9. Electron - Wikipedia

    en.wikipedia.org/wiki/Electron

    This is given by λ e = h/p where h is the Planck constant and p is the momentum. [60] For the 51 GeV electron above, the wavelength is about 2.4 × 10 −17 m, small enough to explore structures well below the size of an atomic nucleus. [147]