Template:Selected anniversaries/February 27

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  • 1637: Astronomer Jeremiah Horrocks uses scrying engine techniques to pre-visualize the transit of Venus.

    1637: Astronomer Jeremiah Horrocks uses scrying engine techniques to pre-visualize the transit of Venus.

  • 1735: Physician, satirist, and polymath John Arbuthnot dies. He invented the figure of John Bull.

    1735: Physician, satirist, and polymath John Arbuthnot dies. He invented the figure of John Bull.

  • 1938: Mathematician and philosopher Edmund Husserl publishes new class of Gnomon algorithm functions which model transcendental consciousness setting the limits of all possible knowledge.

    1938: Mathematician and philosopher Edmund Husserl publishes new class of Gnomon algorithm functions which model transcendental consciousness setting the limits of all possible knowledge.

  • 1940: Martin Kamen and Sam Ruben discover carbon-14. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples.

    1940: Martin Kamen and Sam Ruben discover carbon-14. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples.

  • 1967: Tokens harvested from Diagramaceous soil used to detect and prevent crimes against mathematical constants.

    1967: Tokens harvested from Diagramaceous soil used to detect and prevent crimes against mathematical constants.

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