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Chronology

Who did what, when and the environment of the times.

1673
  • Huygens? builds a motor driven by gunpowder? explosions (dissociation) (1)
1690
  • Papin? uses steam to move a piston (1)
1712
  • Newcomen? develops a steam engine (1)
1715
  • Gregory? first writes of Bode's Law
1723
  • Stahl? popularizes phlogiston? and Becher?'s concepts (1)
1724
  • Boerhaave? proposes that heat is a fluid (1)
1733
  • Bernoulli? publishes a text that is the first truly statistical treatment of kinetic theory and publishes an update in 1738. It is almost forgotten until 1859. (1)
1750
  • Franklin?'s Lightning Kite experiment
1765
  • Watts? invents a steam engine that is more than six times more effective than Newcomen?'s engine. (1)
1772
  • Bode? completes Bode's Law
1783
  • Lavoisier? points out the weakness of phlogiston? theory with respect to combustion. (1)
1786
  • Lavoisier? and Laplace? provide a Memoir on Heat. (1)
1789
  • Lavoisier? publishes his Elementary Treatise on Chemistry, which represents the law of conservation of mass?. (1)
1791
  • Faraday?, Michael born September 22, 1791
  • Prevost? publishes a theory of heat and radiation exchange. Richter? founds stoichiometry?. (1)
1798
  • Thompson? demonstrates the conversion of work? into heat, in his Enquiry Concerning the Source of Heat which is Excited by Friction. (1)
1799
  • Davy?'s experiments seriously challenge phlogiston? theory. (1)
1800
  • Herschel? explores the heating ability of different frequencies of light. (1)
1802
  • Phineas P. Quimby born February 16, 1802
  • Lussac? establishes the thermal expansion of gases. (1)
1803
  • Dalton? forms his atomic theory of matter, setting the stage for atomic chemistry. (1)
1804
1806
1809
  • Telegraph 1809
1811
  • Poisson? develops a mathematical theory of heat, based on Fourier?'s work. Avogadro? presents his law. Berzelius? states that electrical and chemical forces are the same and that atoms are electrically charged. (1)
1812
  • War of 1812 begins June 18, 1812
1815
  • War of 1812 ends March 23, 1815
  • Proton theorized William Prout? 1815 see 1919
1818
1819
  • Dulong? and Petit? show an empirical law on the specific heat? of solids. (1)
1820
  • Tyndall?, John born August 2, 1820
1824
  • Clara Bloomfield-Moore born February 16, 1824
  • Carnot Cycle defined 1824
  • Carnot? studies the thermal efficiency of machines, introduces reversible transformations, and generates the foundations of thermodynamics in his "Reflections on the Motive Power of Fire." (1)
1826
  • Thomas Jefferson dies July 4, 1826
1827
  • Keely born September 3, 1827 see 1837
1829
  • Coriolis? defines "kinetic energy." (1)
1834
1835
  • Spectrum Analysis? 1835, Charles Wheatstone?
1837
  • Keely born September 3, 1837 see 1827
  • Von Suerman? experimentally verifies Clapeyron?'s version of the Carnot?'s equations. (1)
1842
  • Dewar?, James born September 20, 1842
  • Mayer? equates the conservation of energy law? and shows the equivalence between heat and mechanical energy. (1)
1843
  • Waterston? anonymously publishes an accurate kinetic theory of gases?. It is essentially ignored. (1)
1845
  • Waterston? submits a beautiful paper on the kinetic theory of gases? to the Royal Society?. It is rejected and ignored for more than 40 years, until finally resurrected by the President of the Royal Society?. (1)
1847
  • Mormon Migration begins April 1847
  • Helmholtz? generalizes the conservation of energy law? for mechanical, caloric, electric and magnetic energy. (1)
1848
  • California Gold Rush? 1848
  • Lord Kelvin? introduces the absolute temperature scale?. Joule? finishes establishing the exact relation between heat and mechanical work; his work is almost ignored. (1)
1850
1851
1855
  • Rankine? publishes Outlines of the Science of Energetics. (1)
1856
1857
  • Hertz?, Heinrich born February 22, 1857
  • Clausius? establishes heat as energy distributed among particles. (1)
1858
1859
  • Kirchhoff? establishes the thermodynamic foundation of radiation theory, and completes the basic radiation theory in 1862. (1)
  • Isambard Kingdom Brunel dies 15 September 1859
1860
  • James Clerk Maxwell provides studies in kinetic theory of gases? and gives the distribution of molecular velocities. The paper, "Illustrations of the Dynamical Theory of Gases," was read in 1859. (1)
  • James Clerk Maxwell shows a discrepancy between experiment and the kinetic theory of diatomic gases?. It was not resolved until the early stages of quantum theory?. (1)
1860-1877
  • Boltzmann? and Gibbs? provide the foundations of statistical classical mechanics. (1)
1861
1863
  • Henry Ford? born July 30, 1863
1864
1865
  • James Clerk Maxwell publishes paper "A Dynamical Theory of the Electromagnetic Field" 1865
  • Maxwell's Equations set of eight equations published 1865
  • Clausius?, Rankine? and Kelvin? provide the concept and definition of entropy. (1)
1866
1867
  • Faraday?, Michael dies August 25, 1867
  • James Clerk Maxwell publishes On the Dynamical Theory of Gases, his major work on the kinetic theory?. (1)
1869
1870
1871
1872
1873
1873-1878
  • Gibbs? publishes several important papers on thermodynamics, widely influencing scientists. (1)
1874
1875
1876
1877
1878
1879
  • Boltzmann? establishes the relation between radiation intensity per unit area of a blackbody?, and the absolute temperature?. Stephan? formulates the "Stephan-Boltzmann law?". (1)
1879-1899
  • Discoveries of various laws and effects, particularly at the micro level. (1)
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
  • Planck? proposes the quantum of action? and derives the correct radiation spectrum for blackbodies?. (He published the definitive paper in 1911.) (1)
1902
1903
  • Wright Brothers tests flights December 17, 1903
1904
  • Lao Russell? born November 1904
  • Abeggs Rule formulated by Richard Abegg, 1904
1905
  • Einstein?'s General Theory of Relativity
  • Von Smoluchowski? and Einstein? independently investigate Brownian motion?. Einstein? publishes paper on the photoelectric eeffect?. (1)
1906
1908
  • Henry Ford?'s "Model T" first production August 12, 1908
1909
  • Tone Building (external link) published
  • Einstein? corrects Planck?'s blackbody? derivation. (1)
1910
  • Perrin? experimentally validates Einstein?'s calculations on Brownian motion?, providing a strong argument for the existence of atoms. (1)
1911
  • Atomic Nucleus discovered Rutherford? 1911
  • Rutherford? proposes the nuclear model of the atom. Sackur points out the need for an absolute definition of entropy. Nernst?'s experiments provide strong support for the new quantum theories?. (1)
1912
  • Continental Drift Theory Wegener, 1912
1919
  • Proton discovered Rutherford? 1819 see 1815
1923
  • Dewar?, James dies March 27, 1923
1925
  • Born?, Heisenberg? and Jordan? formulate quantum mechanics? from matrix algebra?. Einstein? points out that the analogy between quantum gases? and molecular gases? is complete; photons and molecules have both wave and particle characteristics. (1)
1926
1927
  • Henry Ford?'s "Model A" first production October 20, 1927
1932
  • Power Fight (external link) Congressional Report on how scientific education was being destroyed and by whom
1935
1939
  • Manhattan Project begins 1939
1942
  • Bell Helicopter "Bell 30" first flight December 29, 1942
1943
1945
1947
  • Bell Helicopter "Bell 47"
1963
1988
  • Lao Russell? dies May 5, 1988

(1) Bearden, Thomas; Energy from the Vacuum - Concepts and Principles; 2002.


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Page last modified on Sunday 11 of July, 2010 02:26:02 MDT by admin.

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