Template:Selected anniversaries/April 17: Difference between revisions
No edit summary |
No edit summary |
||
| Line 39: | Line 39: | ||
||1996 – Piet Hein, Danish poet and mathematician (b. 1905) | ||1996 – Piet Hein, Danish poet and mathematician (b. 1905) | ||
||Horace Richard Crane (d. April 19, 2007) was an American physicist, the inventor of the Race Track Synchrotron, a recipient of President Ronald Reagan's National Medal of Science "for the first measurement of the magnetic moment and spin of free electrons and positrons".[3] He was also noted for proving the existence of neutrinos. | |||
||2014 – NASA's Kepler space observatory confirms the discovery of the first Earth-size planet in the habitable zone of another star. | ||2014 – NASA's Kepler space observatory confirms the discovery of the first Earth-size planet in the habitable zone of another star. | ||
</gallery> | </gallery> | ||
Revision as of 15:11, 29 October 2017
1627: Mathematician Pierre de Fermat writes a marginal note about a "Last Last Theorem" which will "surely solve all cases of [[crimes against mathematical contants, both past and future."
1938: Philosopher and author Kerry Wendell Thornley born. In 1962 he will write a manuscript, The Idle Warriors, about his aquaintence Lee Harvey Oswald.
1957: Jan Kochanowski adapts Nebra sky disk for use with Project SCORE satellite.
1958: Project SCORE satellite incorporates virtual Nebra sky disk as backup navigation system.
1961: Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro.
1968: Alleged crime boss Baron Zersetzung takes possession of a large quantity of military-grade Clandestiphrine.
1969: Sirhan Sirhan is convicted of assassinating Robert F. Kennedy.