Template:Selected anniversaries/October 16: Difference between revisions
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File:Quaternion multiplication.jpg|link=Quaternion (nonfiction)|2017: [[Quaternion (nonfiction)|Quaternion multiplication table]] sells for six million dollars. | |File:Quaternion multiplication.jpg|link=Quaternion (nonfiction)|2017: [[Quaternion (nonfiction)|Quaternion multiplication table]] sells for six million dollars. | ||
|File:Johannes Stöffler.jpg|link=Johannes Stöffler (nonfiction)|1530: Mathematician [[Johannes Stöffler (nonfiction)|Johannes Stöffler]] tries [[Extract of Radium]] for the first time. | |File:Johannes Stöffler.jpg|link=Johannes Stöffler (nonfiction)|1530: Mathematician [[Johannes Stöffler (nonfiction)|Johannes Stöffler]] tries [[Extract of Radium]] for the first time. | ||
Revision as of 17:41, 21 March 2018
1584: Famed illustration Leonardo Draws Clock Head is "a reasonably accurate depiction of events as I remember them", says artist, inventor, and math detective Leonardo da Vinci.
1655: Physician, mathematician, and theorist Joseph Solomon Delmedigo dies. His Elim (Palms) deals with astronomy, physics, mathematics, medicine, metaphysics, and music theory.
1843: Sir William Rowan Hamilton comes up with the idea of quaternions, a non-commutative extension of complex numbers.
1868: Physicist and crime-fighter Gustav Kirchhoff uses the emission of black-body radiation by heated objects to detect and prevent crimes against physical constants.