Template:Selected anniversaries/June 30: Difference between revisions
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||1791 – Félix Savart, French physicist and psychologist (d. 1841) | ||1791 – Félix Savart, French physicist and psychologist (d. 1841) | ||
||Jean-Daniel Colladon (d. 30 June 1893) was a Swiss physicist. Light pipe. | |||
File:Exponential-growth-diagram.svg|link=Crimes against mathematical constants|1907: Spike in [[crimes against mathematical constants]] blamed on upcoming [[Tunguska event (nonfiction)|Tunguska event]]. | File:Exponential-growth-diagram.svg|link=Crimes against mathematical constants|1907: Spike in [[crimes against mathematical constants]] blamed on upcoming [[Tunguska event (nonfiction)|Tunguska event]]. | ||
Revision as of 21:05, 5 November 2017
1660: Mathematician William Oughtred dies. He invented the slide rule in 1622.
1770: Astronomer Charles Messier is elected to the French Academy of Sciences.
1907: Spike in crimes against mathematical constants blamed on upcoming Tunguska event.
1908: The Tunguska event occurs in remote Siberia.
1956: The Tunguska Event Preservation Society launches fundraiser to simulate the 1927 Tunguska expedition.