Template:Selected anniversaries/January 28: Difference between revisions

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||1886 – Hidetsugu Yagi, Japanese engineer and academic (d. 1976)
||1886 – Hidetsugu Yagi, Japanese engineer and academic (d. 1976)
||Joseph-Émile Barbier (d. 1889) was a French astronomer and mathematician,[1] known for Barbier's theorem on the perimeter of curves of constant width.


||Alfredo Capelli (d. 28 January 1910) was an Italian mathematician who discovered Capelli's identity.
||Alfredo Capelli (d. 28 January 1910) was an Italian mathematician who discovered Capelli's identity.

Revision as of 21:29, 29 November 2017

  • 1540: Mathematician and fencer Ludolph van Ceulen born. He will spend a major part of his life calculating the numerical value of the mathematical constant π.

    1540: Mathematician and fencer Ludolph van Ceulen born. He will spend a major part of his life calculating the numerical value of the mathematical constant π.

  • 1855: Geologist Sekiya Seikei born. He will be one of the first seismologists, influential in establishing the study of seismology in Japan and known for his model showing the motion of an earth-particle during an earthquake.

    1855: Geologist Sekiya Seikei born. He will be one of the first seismologists, influential in establishing the study of seismology in Japan and known for his model showing the motion of an earth-particle during an earthquake.

  • 1883: Electrical engineer Nikola Tesla invents method of converting alternating current (AC) into Gnomon algorithm functions, revealing new techniques for preventing crimes against mathematical constants.

    1883: Electrical engineer Nikola Tesla invents method of converting alternating current (AC) into Gnomon algorithm functions, revealing new techniques for preventing crimes against mathematical constants.

  • 1884: Physicist and explorer Auguste Piccard born. He will make record-breaking hot air balloon flights, with which he will study Earth's upper atmosphere and cosmic rays, and invent of the first bathyscaphe.

    1884: Physicist and explorer Auguste Piccard born. He will make record-breaking hot air balloon flights, with which he will study Earth's upper atmosphere and cosmic rays, and invent of the first bathyscaphe.

  • 1911: Physicist Emil Julius Klaus Fuchs dies. He was convicted of supplying information from the Manhattan Project to the Soviet Union during and shortly after the Second World War.

    1911: Physicist Emil Julius Klaus Fuchs dies. He was convicted of supplying information from the Manhattan Project to the Soviet Union during and shortly after the Second World War.

  • 1950: Mathematician, theorist, and academic Nikolai Luzin dies. He contributed to descriptive set theory and aspects of mathematical analysis with strong connections to point-set topology.

    1950: Mathematician, theorist, and academic Nikolai Luzin dies. He contributed to descriptive set theory and aspects of mathematical analysis with strong connections to point-set topology.

  • 1961: Brainiac Explains lecture series spends ten weeks on New York Times bestseller list.

    1961: Brainiac Explains lecture series spends ten weeks on New York Times bestseller list.

  • 1962: Ranger 3 space probe misses the moon by 22,000 miles (35,400 km).

    1962: Ranger 3 space probe misses the moon by 22,000 miles (35,400 km).

  • 2002: Tokens harvested from Diagramaceous soil used to cure capacitor plague for the first time.

    2002: Tokens harvested from Diagramaceous soil used to cure capacitor plague for the first time.

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