Template:Selected anniversaries/February 26: Difference between revisions
No edit summary |
No edit summary |
||
Line 19: | Line 19: | ||
||1842: Camille Flammarion born ... French astronomer and author. Pic (cool associated pics). | ||1842: Camille Flammarion born ... French astronomer and author. Pic (cool associated pics). | ||
||1857: Émile Coué born ... psychologist and pharmacist. He introduced a popular method of psychotherapy and self-improvement based on optimistic autosuggestion. Pic. | |||
||1878: Fr. Pietro Angelo Secchi SJ dies ... astronomer. He was Director of the Observatory at the Pontifical Gregorian University (then called the Roman College) for 28 years. He was a pioneer in astronomical spectroscopy, and was one of the first scientists to state authoritatively that the Sun is a star. Pic. | ||1878: Fr. Pietro Angelo Secchi SJ dies ... astronomer. He was Director of the Observatory at the Pontifical Gregorian University (then called the Roman College) for 28 years. He was a pioneer in astronomical spectroscopy, and was one of the first scientists to state authoritatively that the Sun is a star. Pic. |
Revision as of 08:53, 29 March 2019
1616: Physicist and engineer Galileo Galilei is formally banned by the Roman Catholic Church from teaching or defending the view that the earth orbits the sun.
1638: Mathematician and linguist Claude Gaspard Bachet de Méziriac dies. He was the earliest writer who discussed the solution of indeterminate equations by means of continued fractions. He also did work in number theory and found a method of constructing magic squares.
1648: Niels Steensen analyzes fossil trilobite using Gnomon algorithm techniques, finds evidence of crimes against geological constants.
1786: Mathematician and politician François Arago born. He will observe that a rotating plate of copper tends to communicate its motion to a magnetic needle suspended over it, an effect which will later be known as eddy current.
1904: Physicist and crime-fighter John Ambrose Fleming delivers lecture from within Fleming tube.
2005: Computer scientist Jef Raskin dies. He was a human–computer interface expert best known for conceiving and starting the Macintosh project for Apple in the late 1970s.
2017: Steganographic analysis of "Enter or Exit" sequence from Table Manners unexpectedly reveals "at least a terabyte of encrypted data."