Template:Selected anniversaries/August 11: Difference between revisions

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File:Mountain vendetta.jpg|link=Havelock|1890: [[Judge Havelock]] survives shootout by running away.
File:Mountain vendetta.jpg|link=Havelock|1890: [[Judge Havelock]] survives shootout by running away.


||1892 – Enrico Betti, Italian mathematician and academic (b. 1813)
||1892 – Enrico Betti, Italian mathematician and academic (b. 1813) Enrico Betti (d. 11 August 1892) was an Italian mathematician, now remembered mostly for his 1871 paper on topology that led to the later naming after him of the Betti numbers.


||1942 – Actress Hedy Lamarr and composer George Antheil receive a patent for a Frequency-hopping spread spectrum communication system that later became the basis for modern technologies in wireless telephones and Wi-Fi.
||1942 – Actress Hedy Lamarr and composer George Antheil receive a patent for a Frequency-hopping spread spectrum communication system that later became the basis for modern technologies in wireless telephones and Wi-Fi.

Revision as of 18:44, 5 November 2017