Template:Selected anniversaries/May 7: Difference between revisions
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||File:Wilhelm Röntgen.jpg|link=Wilhelm Röntgen (nonfiction)|1871: Engineer and physicist [[Wilhelm Röntgen (nonfiction)|Wilhelm Röntgen]] uses [[scrying engine]] techniques to expose [[Loaded dice (nonfiction)|loaded dice]]. | ||File:Wilhelm Röntgen.jpg|link=Wilhelm Röntgen (nonfiction)|1871: Engineer and physicist [[Wilhelm Röntgen (nonfiction)|Wilhelm Röntgen]] uses [[scrying engine]] techniques to expose [[Loaded dice (nonfiction)|loaded dice]]. | ||
||Oskar Perron (b. 7 May 1880) was a German mathematician. He made numerous contributions to differential equations and partial differential equations, including the Perron method to solve the Dirichlet problem for elliptic partial differential equations. Pic. | |||
File:Alexander Stepanovich Popov.jpg|link=Alexander Stepanovich Popov (nonfiction)|1895: Russian physicist [[Alexander Stepanovich Popov (nonfiction)|Alexander Stepanovich Popov]] demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector — a primitive radio receiver. | File:Alexander Stepanovich Popov.jpg|link=Alexander Stepanovich Popov (nonfiction)|1895: Russian physicist [[Alexander Stepanovich Popov (nonfiction)|Alexander Stepanovich Popov]] demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector — a primitive radio receiver. |
Revision as of 11:26, 24 March 2018
1794: French Revolution: Robespierre introduces the Cult of the Supreme Being in the National Convention as the new state religion of the French First Republic.
1832: Mathematician Carl Gottfried Neumann born. He will study physics with his father, and later work as a mathematician, dealing almost exclusively with problems arising from physics.
1860: Electrical engineer and inventor Oliver Blackburn Shallenberger born. He will invent the first successful alternating current electrical meter, which will be critical to the general acceptance of AC power.
1895: Russian physicist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector — a primitive radio receiver.
1895: Judge Havelock purchases signed first edition of The Time Machine as a gift for Russian physicist Alexander Stepanovich Popov.
1895: First publication of The Time Machine.
1896: Serial killer H. H. Holmes is executed for the murder of his friend and accomplice Benjamin Pitezel.
1960: Cold War: U-2 Crisis of 1960: Soviet leader Nikita Khrushchev announces that his nation is holding American U-2 pilot Gary Powers.