Template:Selected anniversaries/April 13: Difference between revisions

Revision as of 14:10, 19 March 2017

1923: Mathematician Karl Menger uses Gnomon algorithm techniques to fight crimes against mathematical constants.
1953: CIA director Allen Dulles authorizes the mind-control program Project MKUltra.
2008: Theoretical physicist John Archibald Wheeler dies. He linked the term "black hole" to objects with gravitational collapse, and coined the terms "quantum foam", "neutron moderator", "wormhole" and "it from bit".

1960 – The United States launches Transit 1-B, the world's first satellite navigation system.

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 File:Karl Menger 1970.jpg|link=Karl Menger (nonfiction)|1923: Mathematician [[Karl Menger (nonfiction)|Karl Menger]] uses [[Gnomon algorithm]] techniques to fight [[crimes against mathematical constants]].
 File:MKUltra proposal.jpg|link=Project MKUltra (nonfiction)|1953: CIA director Allen Dulles authorizes the mind-control program [[Project MKUltra (nonfiction)|Project MKUltra]].
-File:Egg Tooth Neighborhood Association logo.jpg|link=Egg Tooth (neighborhood)|2014: [[Egg Tooth (neighborhood)|Egg Tooth Neighborhood Association]] renews support for [[New Minneapolis, Canada|New Minneapolis]] charter.
+File:John Archibald Wheeler 1985.jpg|link=John Archibald Wheeler (nonfiction)|2008: Theoretical physicist [[John Archibald Wheeler (nonfiction)|John Archibald Wheeler]] dies. He linked the term "black hole" to objects with gravitational collapse, and coined the terms "quantum foam", "neutron moderator", "wormhole" and "it from bit".
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