Template:Selected anniversaries/May 15: Difference between revisions
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||1793 – Diego Marín Aguilera flies a glider for "about 360 meters", at a height of 5–6 meters, during one of the first attempted manned flights. | ||1793 – Diego Marín Aguilera flies a glider for "about 360 meters", at a height of 5–6 meters, during one of the first attempted manned flights. | ||
||Joseph Ludwig Raabe (b. 15 May 1801) was a Swiss mathematician. | |||
File:Francis Baily.jpg|link=Francis Baily (nonfiction)|1836: Astronomer [[Francis Baily (nonfiction)|Francis Baily]] observes "Baily's beads" during an annular eclipse. | File:Francis Baily.jpg|link=Francis Baily (nonfiction)|1836: Astronomer [[Francis Baily (nonfiction)|Francis Baily]] observes "Baily's beads" during an annular eclipse. |
Revision as of 11:02, 27 November 2017
1579: Mathematician and physicist Thomas Fincke invents new type of scrying engine which pre-visualizes tangents and secants. He will use the engine to detect and expose crimes against mathematical constants.
1618: Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
1836: Astronomer Francis Baily observes "Baily's beads" during an annular eclipse.
1888: Council of algorithms announces plans to fund and build a Museum of Algorithms.