Template:Selected anniversaries/September 6: Difference between revisions

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||1828: Alexander Mikhaylovich Butlerov born ... chemist, one of the principal creators of the theory of chemical structure (1857–1861), the first to incorporate double bonds into structural formulas, the discoverer of hexamine (1859), the discoverer of formaldehyde (1859) and the discoverer of the formose reaction (1861). He first proposed the idea of possible tetrahedral arrangement of valence bonds in carbon compounds in 1862. Pic.
||1828: Alexander Mikhaylovich Butlerov born ... chemist, one of the principal creators of the theory of chemical structure (1857–1861), the first to incorporate double bonds into structural formulas, the discoverer of hexamine (1859), the discoverer of formaldehyde (1859) and the discoverer of the formose reaction (1861). He first proposed the idea of possible tetrahedral arrangement of valence bonds in carbon compounds in 1862. Pic.


||1838: Samuel Arnold dies ... American conspirator.
||1838: Samuel Arnold dies ... conspirator, Lincoln kidnap plot. Pic.


||1863: Dmitry Aleksandrovich Grave born ... mathematician. Pic.
||1863: Dmitry Aleksandrovich Grave born ... mathematician. Pic.
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||1870: ''HMS Captain'' capsizes ... ''Captain'' was an unsuccessful warship built for the Royal Navy due to public pressure. She was a masted turret ship, designed and built by a private contractor against the wishes of the Controller's department. The ''Captain'' was completed in April 1870 and capsized on September 6, 1870 with the loss of nearly 500 lives because of design and construction errors that led to inadequate stability.
||1870: ''HMS Captain'' capsizes ... ''Captain'' was an unsuccessful warship built for the Royal Navy due to public pressure. She was a masted turret ship, designed and built by a private contractor against the wishes of the Controller's department. The ''Captain'' was completed in April 1870 and capsized on September 6, 1870 with the loss of nearly 500 lives because of design and construction errors that led to inadequate stability.


||1885: Engineer and artist Narcís Monturiol dies. He invented the first air-independent and combustion-engine-driven submarine.
||1885: Engineer and artist Narcís Monturiol dies. He invented the first air-independent and combustion-engine-driven submarine. Pic.


||1892: Edward Victor Appleton born ... physicist, Nobel Prize winner (1947) and pioneer in radiophysics.  Pic.
||1892: Edward Victor Appleton born ... physicist, Nobel Prize winner (1947) and pioneer in radiophysics.  Pic.

Revision as of 04:21, 1 February 2019

  • 1635: Mathematician and astronomer Adriaan Metius dies. He manufactured precision astronomical instruments, and published treatises on the astrolabe and on surveying.

    1635: Mathematician and astronomer Adriaan Metius dies. He manufactured precision astronomical instruments, and published treatises on the astrolabe and on surveying.

  • 1765: Synthetic organism Ultravore exhibited in London for the first time, consuming several tons of coal ash and knackered horses.

    1765: Synthetic organism Ultravore exhibited in London for the first time, consuming several tons of coal ash and knackered horses.

  • 1732: Physicist and academic Johan Carl Wilcke born. He will invent the electrophorus, and calculate the latent heat of ice.

    1732: Physicist and academic Johan Carl Wilcke born. He will invent the electrophorus, and calculate the latent heat of ice.

  • 1766: Chemist, meteorologist, and physicist John Dalton born. He will propose the modern atomic theory, and do research in color blindness.

    1766: Chemist, meteorologist, and physicist John Dalton born. He will propose the modern atomic theory, and do research in color blindness.

  • 1803: British scientist John Dalton begins using symbols to represent the atoms of different elements.

    1803: British scientist John Dalton begins using symbols to represent the atoms of different elements.

  • 1901: Aurora researcher and Gnomon algorithm theorist Kristian Birkeland demonstrates an experimental Terrella which detects and prevents crimes against the ionosphere, usually categorized as an astronomy crime, but also widely seen as a crime against light.

    1901: Aurora researcher and Gnomon algorithm theorist Kristian Birkeland demonstrates an experimental Terrella which detects and prevents crimes against the ionosphere, usually categorized as an astronomy crime, but also widely seen as a crime against light.

  • 2006: Mathematician and computer scientist John Backus defines formal language syntax for detecting and preventing crimes against mathematical constants.

    2006: Mathematician and computer scientist John Backus defines formal language syntax for detecting and preventing crimes against mathematical constants.

  • 2007: Writer Madeleine L'Engle dies. She wrote the Newbery Medal-winning A Wrinkle in Time and its sequels.

    2007: Writer Madeleine L'Engle dies. She wrote the Newbery Medal-winning A Wrinkle in Time and its sequels.

  • 2008: Steganographic analysis of Janet Beta at ENIAC reveals previously unknown cryptographic numen.

    2008: Steganographic analysis of Janet Beta at ENIAC reveals previously unknown cryptographic numen.

  • 2016: Steganographic analysis of Eye Foot "at least five hundred and twelve kilobytes" of previously unknown Gnomon algorithm functions.

    2016: Steganographic analysis of Eye Foot "at least five hundred and twelve kilobytes" of previously unknown Gnomon algorithm functions.

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