Template:Selected anniversaries/July 12: Difference between revisions
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||1868: born Henri Abraham ... was a French physicist who made important contributions to the science of radio waves. He performed some of the first measurements of the propagation velocity of radio waves, helped develop France's first triode vacuum tube, and with Eugene Bloch invented the astable multivibrator. | ||1868: born Henri Abraham ... was a French physicist who made important contributions to the science of radio waves. He performed some of the first measurements of the propagation velocity of radio waves, helped develop France's first triode vacuum tube, and with Eugene Bloch invented the astable multivibrator. | ||
||1877: Georg Adolf Erman dies ... physicist. | ||1877: Georg Adolf Erman dies ... physicist. Pic. | ||
||1879: Margherita Piazzola Beloch born ... mathematician. | ||1879: Margherita Piazzola Beloch born ... mathematician. | ||
Revision as of 13:19, 12 March 2019
1854: George Eastman born. He will found the Eastman Kodak Company and popularize the use of roll film, helping to bring photography to the mainstream.
1917: The Bisbee Deportation: vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona.
1922: Signed first edition of Gambling Den Fight sells for "fifty thousand dollars and an apology."
1935: Alfred Dreyfus dies. He was wrongly convicted of treason during the Dreyfus affair.
2017: The San Pietro scrying engine, among the most popular computational shrines of San Pietro in Vincoli, is used to process Spirograph data after hours "on a lark". Traditionalists call it "dispectful", but the Pope gives his blessing.
