Template:Selected anniversaries/November 21: Difference between revisions

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||1877 – Thomas Edison announces his invention of the phonograph, a machine that can record and play sound.
||1877 – Thomas Edison announces his invention of the phonograph, a machine that can record and play sound.
||Josef Mattauch (b. 21 November 1895) was a German physicist known for his work in the investigation of the isotopic abundances by mass spectrometry. He developed the Mattauch isobar rule in 1934. Pic.


File:Clock Head 2.jpg|link=Clock Head 2|1904: Mechanical engineer [[Clock Head 2]] warns theoretical physicist [[Albert Einstein (nonfiction)|Albert Einstein]] that the mass–energy equivalence formula, E = mc², will have "earth-shaking consequences."
File:Clock Head 2.jpg|link=Clock Head 2|1904: Mechanical engineer [[Clock Head 2]] warns theoretical physicist [[Albert Einstein (nonfiction)|Albert Einstein]] that the mass–energy equivalence formula, E = mc², will have "earth-shaking consequences."

Revision as of 09:37, 1 April 2018

  • 1652: Mathematician, physician, and astronomer Jan Brożek dies. He contributed to a greater knowledge of Nicolaus Copernicus' theories and was his ardent supporter and early prospective biographer.

    1652: Mathematician, physician, and astronomer Jan Brożek dies. He contributed to a greater knowledge of Nicolaus Copernicus' theories and was his ardent supporter and early prospective biographer.

  • 1675: Isaac Newton publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.

    1675: Isaac Newton publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.

  • 1676: Astronomer Ole Rømer presents the first quantitative measurements of the speed of light.

    1676: Astronomer Ole Rømer presents the first quantitative measurements of the speed of light.

  • 1904: Mechanical engineer Clock Head 2 warns theoretical physicist Albert Einstein that the mass–energy equivalence formula, E = mc², will have "earth-shaking consequences."

    1904: Mechanical engineer Clock Head 2 warns theoretical physicist Albert Einstein that the mass–energy equivalence formula, E = mc², will have "earth-shaking consequences."

  • 1905: Albert Einstein's paper that leads to the mass–energy equivalence formula, E = mc², is published in the journal Annalen der Physik.

    1905: Albert Einstein's paper that leads to the mass–energy equivalence formula, E = mc², is published in the journal Annalen der Physik.

  • 1984: Physicist and crime-fighter Harry Lehmann uses a combination of the LSZ reduction formula and the Källén–Lehmann spectral representation to detect and prevent crimes against physical constants.

    1984: Physicist and crime-fighter Harry Lehmann uses a combination of the LSZ reduction formula and the Källén–Lehmann spectral representation to detect and prevent crimes against physical constants.

  • 1996: Theoretical physicist Mohammad Abdus Salam dies. He shared the 1979 Nobel Prize in Physics with Sheldon Glashow and Steven Weinberg for his contribution to the electroweak unification theory.

    1996: Theoretical physicist Mohammad Abdus Salam dies. He shared the 1979 Nobel Prize in Physics with Sheldon Glashow and Steven Weinberg for his contribution to the electroweak unification theory.

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