Template:Selected anniversaries/April 28: Difference between revisions

Revision as of 13:03, 5 August 2017

1402: Aztec philosopher, warrior, architect, poet, and ruler 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.
1774: Astronomer Francis Baily born. He will observe "Baily's beads" during an annular eclipse (1836).
1847: Mathematician Leopold Kronecker uses number theory to predict and prevent crimes against mathematical constants.
1868: Mathematician Georgy Voronoy born. He will invent what are today called Voronoi diagrams or Voronoi tessellations.
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: Celebrity time-traveller Radium Jane visits the stricken Chernobyl reactor, calls it "a waste of good fissionable material."
2017: New survey shows that Fantasy Voronoi diagram is more popular than Fantasy Football.

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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: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: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.