Template:Selected anniversaries/April 28: Difference between revisions

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File:Nezahualcoyotl.jpg|link=Nezahualcoyotl (nonfiction)|1402: Aztec philosopher, warrior, architect, poet, and ruler [[Nezahualcoyotl (nonfiction)|Nezahualcoyotl]] born. He will have an experience of an "Unknown, Unknowable Lord of Everywhere" to whom he will build an entirely empty temple in which no blood sacrifices of any kind will be allowed.
File:Gottfried Wilhelm Leibniz.jpg|link=Gottfried Wilhelm Leibniz (nonfiction)|1693: [[Gottfried Wilhelm Leibniz (nonfiction)|Gottfried Wilhelm Leibniz]] writes to L'Hospital, announcing his discovery of determinants fifty years before Cramer, who was the real driving force in the development of determinants. Leibniz's work had little or no influence because it was not published until 1850 in his ''Mathematische Schriften''.
 
File:Francis Baily.jpg|link=Francis Baily (nonfiction)|1774: Astronomer [[Francis Baily (nonfiction)|Francis Baily]] born.  He will observe "Baily's beads" during an annular eclipse (1836).
File:Francis Baily.jpg|link=Francis Baily (nonfiction)|1774: Astronomer [[Francis Baily (nonfiction)|Francis Baily]] born.  He will observe "Baily's beads" during an annular eclipse (1836).
||Peter Guthrie Tait FRSE (born 28 April 1831) was a Scottish mathematical physicist, best known for the mathematical physics textbook Treatise on Natural Philosophy, which he co-wrote with Kelvin, and his early investigations into knot theory, which contributed to the eventual formation of topology as a mathematical discipline.
 
File:Leopold Kronecker 1865.jpg|link=Leopold Kronecker (nonfiction)|1847: Mathematician [[Leopold Kronecker (nonfiction)|Leopold Kronecker]] uses number theory to predict and prevent [[crimes against mathematical constants]].
File:Carl Friedrich Gauss 1840 by Jensen.jpg|link=Carl Friedrich Gauss (nonfiction)|1817: [[Carl Friedrich Gauss (nonfiction)|Carl Friedrich Gauss]] writes to the astronomer H. W. M. Oblers, saying, "I am becoming more and more convinced that the necessity of our (Euclidean) geometry cannot be proved, at least not by human intellect nor for the human intellect."
 
File:Georgy Voronoy.jpg|link=Georgy Voronoy (nonfiction)|1868: Mathematician [[Georgy Voronoy (nonfiction)|Georgy Voronoy]] born. He will invent what are today called [[Voronoi diagram (nonfiction)|Voronoi diagrams]] or Voronoi tessellations.
File:Georgy Voronoy.jpg|link=Georgy Voronoy (nonfiction)|1868: Mathematician [[Georgy Voronoy (nonfiction)|Georgy Voronoy]] born. He will invent what are today called [[Voronoi diagram (nonfiction)|Voronoi diagrams]] or Voronoi tessellations.
File:Kurt Gödel.jpg|link=Kurt Gödel (nonfiction)|1906: Mathematician, philosopher, and academic [[Kurt Gödel (nonfiction)|Kurt Gödel]] born. His two incompleteness theorems will have an immense impact upon scientific and philosophical thinking in the 20th century.
File:Eugene Shoemaker.jpg|link=Eugene Merle Shoemaker (nonfiction)|1928: Geologist and astronomer [[Eugene Merle Shoemaker (nonfiction)|Eugene Merle Shoemaker]] born. Shoemaker will be the first scientist to conclude that Barringer Meteor Crater in Arizona, and similar craters, were caused by meteor impact.
File:Eugene Shoemaker.jpg|link=Eugene Merle Shoemaker (nonfiction)|1928: Geologist and astronomer [[Eugene Merle Shoemaker (nonfiction)|Eugene Merle Shoemaker]] born. Shoemaker will be the first scientist to conclude that Barringer Meteor Crater in Arizona, and similar craters, were caused by meteor impact.


File:Chernobyl disaster.jpg|link=Chernobyl disaster (nonfiction)|1986: High levels of radiation resulting from the [[Chernobyl disaster (nonfiction)|Chernobyl disaster]] are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
File:Chernobyl disaster.jpg|link=Chernobyl disaster (nonfiction)|1986: High levels of radiation resulting from the [[Chernobyl disaster (nonfiction)|Chernobyl disaster]] are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
File:Radium Jane.jpg|link=Radium Jane|1986: Celebrity time-traveller [[Radium Jane]] visits the stricken [[Chernobyl disaster (nonfiction)|Chernobyl  reactor]], calls it "a waste of good fissionable material."
 
File:Voronoi-diagram-color-commentators.jpg|link=Fantasy Voronoi diagram|2017: New survey shows that [[Fantasy Voronoi diagram]] is more popular than [[Fantasy football (American) (nonfiction)|Fantasy Football]].
File:Rolf_Landauer.jpg|link=Rolf Landauer (nonfiction)|1999: Physicist and engineer [[Rolf Landauer (nonfiction)|Rolf Landauer]] dies.  Landauer discovered that in any logically irreversible operation that manipulates information, such as erasing a bit of memory, entropy increases and an associated amount of energy is dissipated as heat. This phenomenon is now known as Landauer's principle.
 
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{{Template:Categories: April 28}}

Latest revision as of 08:24, 1 May 2024

  • 1693: Gottfried Wilhelm Leibniz writes to L'Hospital, announcing his discovery of determinants fifty years before Cramer, who was the real driving force in the development of determinants. Leibniz's work had little or no influence because it was not published until 1850 in his Mathematische Schriften.

    1693: Gottfried Wilhelm Leibniz writes to L'Hospital, announcing his discovery of determinants fifty years before Cramer, who was the real driving force in the development of determinants. Leibniz's work had little or no influence because it was not published until 1850 in his Mathematische Schriften.

  • 1774: Astronomer Francis Baily born. He will observe "Baily's beads" during an annular eclipse (1836).

    1774: Astronomer Francis Baily born. He will observe "Baily's beads" during an annular eclipse (1836).

  • 1817: Carl Friedrich Gauss writes to the astronomer H. W. M. Oblers, saying, "I am becoming more and more convinced that the necessity of our (Euclidean) geometry cannot be proved, at least not by human intellect nor for the human intellect."

    1817: Carl Friedrich Gauss writes to the astronomer H. W. M. Oblers, saying, "I am becoming more and more convinced that the necessity of our (Euclidean) geometry cannot be proved, at least not by human intellect nor for the human intellect."

  • 1868: Mathematician Georgy Voronoy born. He will invent what are today called Voronoi diagrams or Voronoi tessellations.

    1868: Mathematician Georgy Voronoy born. He will invent what are today called Voronoi diagrams or Voronoi tessellations.

  • 1906: Mathematician, philosopher, and academic Kurt Gödel born. His two incompleteness theorems will have an immense impact upon scientific and philosophical thinking in the 20th century.

    1906: Mathematician, philosopher, and academic Kurt Gödel born. His two incompleteness theorems will have an immense impact upon scientific and philosophical thinking in the 20th century.

  • 1928: Geologist and astronomer Eugene Merle Shoemaker born. Shoemaker will be the first scientist to conclude that Barringer Meteor Crater in Arizona, and similar craters, were caused by meteor impact.

    1928: Geologist and astronomer Eugene Merle Shoemaker born. Shoemaker will be the first scientist to conclude that Barringer Meteor Crater in Arizona, and similar craters, were caused by meteor impact.

  • 1986: High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.

    1986: High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.

  • 1999: Physicist and engineer Rolf Landauer dies. Landauer discovered that in any logically irreversible operation that manipulates information, such as erasing a bit of memory, entropy increases and an associated amount of energy is dissipated as heat. This phenomenon is now known as Landauer's principle.

    1999: Physicist and engineer Rolf Landauer dies. Landauer discovered that in any logically irreversible operation that manipulates information, such as erasing a bit of memory, entropy increases and an associated amount of energy is dissipated as heat. This phenomenon is now known as Landauer's principle.

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