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Monday, December 4, 2017

Important Physics Discoveries in Chronology Order

  • 1687 - Laws of motion and law of gravity: Newton
  • 1782 - Conservation of matter: Lavoisier 
  • 1785 - Inverse square law for electric charges confirmed: Coulomb 
  • 1801 - Wave theory of light: Young 
  • 1803 - Atomic theory of matter: Dalton 
  • 1806 - Kinetic energy: Young 
  • 1814 - Wave theory of light, interference: Fresnel 
  • 1820 - Evidence for electromagnetic interactions: Ampère, Biot, Savart 
  • 1824 - Ideal gas cycle analysis, internal combustion engine: Sadi Carnot 
  • 1827 - Electrical resistance, etc.: Ohm 
  • 1838 - Lines of force, fields: Michael Faraday 
  • 1838 - Earth's magnetic field: Weber 
  • 1842–3 - Conservation of energy: Mayer, Kelvin 
  • 1842 - Doppler effect: Kelvin 
  • 1845 - Faraday rotation (light and electromagnetic): Faraday 
  • 1847 - Conservation of energy 2: Joule, Helmholtz 
  • 1850–1 - Second law of thermodynamics: Clausius, Kelvin 
  • 1857–9 - Kinetic theory: Clausius, Maxwell 
  • 1861 - Black body: Kirchhoff 
  • 1863 - Entropy: Clausius 
  • 1864 - Dynamical theory of the electromagnetic field: Maxwell 
  • 1867 - Dynamic theory of gases, Maxwell 
  • 1871–89 - Statistical mechanics: Boltzmann, Gibbs 
  • 1884 - Boltzmann derives Stefan radiation law
  • 1887 - Electromagnetic waves: Hertz 
  • 1893 - Radiation law: Wien 
  • 1895 - X-rays: Röntgen 
  • 1896 - Radioactivity: Becquerel 
  • 1897 - Electron: Thomson 
  • 1900 - Formula for Black body radiation: Planck 
  • 1905 - Special relativity: Einstein
  • Photoelectric effect: Einstein
  • Brownian motion: Einstein 
  • 1911 - Equivalence principle
  • Discovery of the Atomic nucleus: Rutherford
  • Superconductivity: Kamerlingh Onnes 
  • 1913 - Bohr model of the atom: Bohr 
  • 1916 - General relativity: Einstein 
  • 1919 - Light bending confirmed
  • 1922 - Friedmann proposes expanding universe
  • 1923 - Stern-Gerlach experiment
  • Matter waves
  • Galaxies
  • Particle nature of photons confirmed
  • 1925–7 - Quantum mechanics 
  • 1925 - Stellar structure understood
  • 1927 - Big Bang: Lemaître 
  • 1928 - Antimatter predicted: Dirac 
  • 1929 - expansion of universe confirmed: Hubble 
  • 1932 - Antimatter discovered: Anderson
  • Neutron discovered: Chadwick 
  • 1937 - Muon discovered: Anderson & Neddermeyer 
  • 1938 - Superfluidity discovered
  • Energy production in stars understood
  • 1939 - Uranium fission discovered 
  • 1944 - Theory of magnetism in 2D: Ising model 
  • 1947 - Pion discovered 1948 - Quantum electrodynamics 
  • 1956 - Electron neutrino discovered 
  • 1956–7 - Parity found violated 
  • 1957 - Superconductivity explained 
  • 1959–60 - Role of topology in quantum physics, predicted and confirmed 
  • 1962 - SU(3) theory of strong interactions Muon neutrino found 
  • 1963 - Quarks predicted 
  • 1967 - Unification of weak and electromagnetic interactions
  • Solar neutrino problem found
  • Pulsars (neutron stars) discovered 
  • 1968 - Experimental evidence for quarks found
  • 1970–3 - Standard model of elementary particles invented 
  • 1971 - Helium 3 superfluidity 
  • 1974 - Black hole radiation predicted
  • Renormalization group
  • Charmed quark found 
  • 1975 - Tau lepton found 
  • 1977 - Bottom quark found 
  • 1980 - Quantum Hall effect 
  • 1981 - Theory of cosmic inflation proposed 
  • 1982 - Fractional quantum Hall effect 
  • 1995 - Bose–Einstein condensate found 
  • 1995 - Top quark found 
  • 2000 - Tau neutrino found 
  • 2003 - WMAP observations of Cosmic microwave background 
  • 2012 - Higgs Boson found