Template:Selected anniversaries/March 9: Difference between revisions
No edit summary |
No edit summary |
||
| Line 59: | Line 59: | ||
||1997 – Comet Hale–Bopp: Observers in China, Mongolia and eastern Siberia are treated to a rare double feature as an eclipse permits Hale-Bopp to be seen during the day. | ||1997 – Comet Hale–Bopp: Observers in China, Mongolia and eastern Siberia are treated to a rare double feature as an eclipse permits Hale-Bopp to be seen during the day. | ||
||Rolf Hagedorn (d. 9 March 2003) was a German theoretical physicist who worked at CERN. He is known for the idea that hadronic matter has a "melting point". The Hagedorn temperature is named in his honor. Pic. | |||
||2011 – Space Shuttle Discovery makes its final landing after 39 flights. | ||2011 – Space Shuttle Discovery makes its final landing after 39 flights. | ||
Revision as of 14:53, 1 April 2018
1815: Francis Ronalds describes the first battery-operated clock in the Philosophical Magazine.
1851: Physicist and chemist Hans Christian Ørsted dies. He discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism.
1917: Mathematician and philosopher Georg Cantor publishes new theory of sets derived from Gnomon algorithm functions. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing crimes against mathematical constants."
1928: Engineer Gerald Bull born. He will attempt to build artillery guns capable of launching satellites into orbit.
1941: The Eel Escapes Hydrolab is "proof that The Eel is a criminal," according to Baron Zersetzung.
1943: Computer scientist Jef Raskin born. He will conceive and start the Macintosh project for Apple in the late 1970s.