Template:Selected anniversaries/July 4: Difference between revisions
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||1803: The Louisiana Purchase is announced to the American people. | ||1803: The Louisiana Purchase is announced to the American people. | ||
File:Joseph_Nicéphore_Niépce.jpg|link=Nicéphore Niépce (nonfiction)|1816: Inventor and [[APTO]] field engineer [[Nicéphore Niépce (nonfiction)|Nicéphore Niépce]] uses the heliograph to | File:Joseph_Nicéphore_Niépce.jpg|link=Nicéphore Niépce (nonfiction)|1816: Inventor and [[APTO]] field engineer [[Nicéphore Niépce (nonfiction)|Nicéphore Niépce]] uses the heliograph to reveal the [[Forbidden ratio]], a pioneering step towards modern methods for detecting and preventing [[crimes against light]]. | ||
||1817: In Rome, New York, construction on the Erie Canal begins. | ||1817: In Rome, New York, construction on the Erie Canal begins. | ||
Revision as of 11:45, 4 July 2019
1816: Inventor and APTO field engineer Nicéphore Niépce uses the heliograph to reveal the Forbidden ratio, a pioneering step towards modern methods for detecting and preventing crimes against light.
1868: Astronomer Henrietta Swan Leavitt born. She will discover the relation between the luminosity and the period of Cepheid variable stars.
1900: Physicist and academic Ukichiro Nakaya born. He will create the first artificial snowflakes.
1934: Leo Szilard patents the chain-reaction design that will later be used in the atomic bomb.
1951: Physicist and engineer William Shockley announces the invention of the junction transistor.
1982: Computer scientist and crime-fighter Joseph Weizenbaum publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1983: Physician, confidence trickster, and suspected serial killer John Bodkin Adams dies.
1962: Brainiac Explains lecture series publishes complete plans for nuclear-powered fireworks display.
2005: The Deep Impact collider hits the comet Tempel 1.
2017: Outbreak of Geometrical frustration exposes new class of crimes against mathematical constants.
2016: Fireworks in the shape of Crimson Blossom make their debut at the annual Accession Day fireworks display in New Minneapolis, Canada.