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Units and Orders of Magnitude

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Abstract

Especially mathematics, but also theoretical physics works basically with structures. The experimental verification or falsification of the physical structures employs units, which allow, in addition to a quantification by numbers, also a qualitative differentiation — a length, for example three meter, is different from a mass, for example three kilogram.

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Notes

  1. 1.

    Ernst Heinrich Weber (1795–1878), Gustav Theodor Fechner (1801–1887).

  2. 2.

    Empedocles of Acragas, around -(490–430).

  3. 3.

    Max Planck (1858–1947).

  4. 4.

    Isaac Newton (1642–1727).

  5. 5.

    Arthur Eddington (1882–1944).

  6. 6.

    Edwin Hubble (1889–1953).

  7. 7.

    Gottfried Wilhelm Leibniz (1646–1716).

  8. 8.

    Johannes Kepler (1571–1630).

  9. 9.

    Albert Einstein (1879–1955).

  10. 10.

    James Prescott Joule (1818–1889).

  11. 11.

    Hermann Minkowski (1864–1909).

  12. 12.

    Hendrik Antoon Lorentz (1853–1928).

  13. 13.

    Karl Schwarzschild (1873–1916).

  14. 14.

    Amedeo Avogadro (1776–1856), Joseph Loschmidt (1821–1895).

  15. 15.

    George Gamow (1904–1968).

  16. 16.

    William Thomson Kelvin (1824–1907).

  17. 17.

    Ludwig Boltzmann (1844–1906).

  18. 18.

    James Watt (1736–1819).

  19. 19.

    Max Born (1882–1970).

  20. 20.

    Werner Heisenberg (1901–1976).

  21. 21.

    William Hamilton (1805–1865).

  22. 22.

    Paul Dirac (1902–1984).

  23. 23.

    Arthur Compton (1892–1962).

  24. 24.

    Hideki Yukawa (1907–1981).

  25. 25.

    Otto Lummer (1860–1925).

  26. 26.

    Wilhelm Wien (1864–1928).

  27. 27.

    Stephen Hawking (1942–).

  28. 28.

    Galileo Galilei (1564–1642).

  29. 29.

    Joseph-Louis Lagrange (1736–1813).

  30. 30.

    Simeon Poisson (1781–1840).

  31. 31.

    Sophus Lie (1842–1899).

  32. 32.

    Carl Gustav Jacob Jacobi (1804–1851).

  33. 33.

    Charles Augustin de Coulomb (1736–1806).

  34. 34.

    André Marie Ampère (1775–1836).

  35. 35.

    Hermann Grassmann (1809–1877).

  36. 36.

    Hermann von Helmholtz (1821–1894), Robert Andrews Millikan (1868–1953).

  37. 37.

    Alessandro Volta (1745–1827).

  38. 38.

    Michael Faraday (1791–1867).

  39. 39.

    Georg Simon Ohm (1789–1854).

  40. 40.

    Arnold Sommerfeld (1868–1951).

  41. 41.

    Edwin Hall (1855–1938).

  42. 42.

    Pierre-Simon Laplace (1749–1827).

  43. 43.

    Richard Feynman (1918–1988).

  44. 44.

    James Clerc Maxwell (1831–1879).

  45. 45.

    Niels Bohr (1885–1962).

  46. 46.

    Johannes Rydberg (1854–1919).

  47. 47.

    Victor F. Weisskopf (1908–2002).

  48. 48.

    Steven Weinberg (1933–).

  49. 49.

    Pythagoras of Samos, around -530.

  50. 50.

    Platon -(428–348).

  51. 51.

    Enrico Fermi (1901–1954).

  52. 52.

    Erdal Inönü (1926–2007).

  53. 53.

    Eugene Wigner (1902–1995).

  54. 54.

    Emmy Noether (1882–1935).

  55. 55.

    Carolus Magnus (768–814).

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Correspondence to Heinrich Saller .

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Saller, H. (2017). Units and Orders of Magnitude. In: Operational Symmetries. Springer, Cham. https://doi.org/10.1007/978-3-319-58664-9_2

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