Template:Selected anniversaries/July 1: Difference between revisions
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||1840: Robert Stawell Ball born ... astronomer who founded screw theory, the algebra and calculus of pairs of vectors, such as forces and moments and angular and linear velocity, that arise in the kinematics and dynamics of rigid bodies. Pic. | ||1840: Robert Stawell Ball born ... astronomer who founded screw theory, the algebra and calculus of pairs of vectors, such as forces and moments and angular and linear velocity, that arise in the kinematics and dynamics of rigid bodies. Pic. | ||
||1848: Emil Weyr born ... mathematician, known for his numerous publications on geometry. | ||1848: Emil Weyr born ... mathematician, known for his numerous publications on geometry. Pic. | ||
||1860: Charles Goodyear dies ... chemist and engineer. | ||1860: Charles Goodyear dies ... chemist and engineer. Pic. | ||
||1864: Alexander Crichton Mitchell born ... physicist with a special interest in geomagnetics who worked for many years in India as a professor and head of a meteorological observatory before returning to Scotland. He then worked with the Royal Navy to devise a system, known as an anti-submarine indicator loop, for detecting submarines by detecting currents induced in a loop of wire on the sea floor. Pic: http://indicatorloops.com/mitchell.htm | ||1864: Alexander Crichton Mitchell born ... physicist with a special interest in geomagnetics who worked for many years in India as a professor and head of a meteorological observatory before returning to Scotland. He then worked with the Royal Navy to devise a system, known as an anti-submarine indicator loop, for detecting submarines by detecting currents induced in a loop of wire on the sea floor. Pic: http://indicatorloops.com/mitchell.htm | ||
Revision as of 16:01, 25 March 2019
1646: Mathematician and philosopher Gottfried Wilhelm Leibniz born. He will develop differential and integral calculus independently of Isaac Newton, and design and build mechanical calculators.
1819: Johann Georg Tralles discovers the Great Comet of 1819 (C/1819 N1). It was the first comet analyzed using polarimetry, by François Arago.
1881: The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States.
1888: Mathematician and physicist Johann Jakob Balmer develops a Gnomon algorithm function based on the visible spectral lines of the hydrogen atom which unexpectedly reveals imminent crimes against mathematical constants.
2001: Physicist and educator Nikolay Basov dies. He did fundamental work in the field of quantum electronics.
2016: Signed first edition of Spinning Thistle used in high-energy literature experiment unexpectedly develops artificial intelligence.
2019: The Custodian says he is "not planning on retiring any time soon."