Template:Selected anniversaries/July 25: Difference between revisions
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||1920: The first trans-Atlantic two-way radio broadcast was made. Source needed. | ||1920: The first trans-Atlantic two-way radio broadcast was made. Source needed. | ||
||1923: Edgar Gilbert born ... mathematician and theorist. | ||1923: Edgar Gilbert born ... mathematician and theorist. Pic: https://alchetron.com/Edgar-Gilbert | ||
||1924: Debabrata Basu born ... statistician who made fundamental contributions to the foundations of statistics. | ||1924: Debabrata Basu born ... statistician who made fundamental contributions to the foundations of statistics. Pic. | ||
||1925: Telegraph Agency of the Soviet Union (TASS) is established. | ||1925: Telegraph Agency of the Soviet Union (TASS) is established. | ||
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File:Viking orbiter.jpg|link=Viking 2 (nonfiction)|1976: Viking program: The [[Viking 2 (nonfiction)|Viking 2]] orbiter is turned off after returning almost 16,000 images in about 700–706 orbits around [[Mars (nonfiction)|Mars]]. | File:Viking orbiter.jpg|link=Viking 2 (nonfiction)|1976: Viking program: The [[Viking 2 (nonfiction)|Viking 2]] orbiter is turned off after returning almost 16,000 images in about 700–706 orbits around [[Mars (nonfiction)|Mars]]. | ||
||1979: French nuclear weapons testing ... a test was conducted at half the usual depth because the nuclear device got stuck halfway down the 800 metre shaft.[4] It was detonated and caused a large submarine landslide on the southwest rim of the atoll, causing a significant chunk of the outer slope of the atoll to break loose and causing a tsunami affecting Mururoa and injuring workers.[4] The blast caused a 2 kilometre long and 40 cm wide crack to appear on the atoll. | |||
||1984: Salyut 7 cosmonaut Svetlana Savitskaya becomes the first woman to perform a space walk. | ||1984: Salyut 7 cosmonaut Svetlana Savitskaya becomes the first woman to perform a space walk. | ||
Revision as of 11:13, 17 December 2018
1616: Physician, alchemist and chemist Andreas Libavius dies. He accepted the Paracelsian principle of using occult properties to explain phenomena with no apparent cause, but rejected the conclusion that a thing possessing these properties must have an astral connection to the divine.
1617: Astronomer, mathematician, and crime-fighter Paul Guldin uses the Guldinus theorem to track down and apprehend math criminals.
1748: Astronomer Charles Messier's interest in astronomy is stimulated by an annular solar eclipse visible from his hometown.
1808: Mathematician Johann Benedict Listing born. He will introduce the term "topology" in a famous article published in 1847, having already used the term in correspondence some years earlier.
1836: New steganographic analysis of famed illustration Niles Cartouchian and Egon Rhodomunde Confront Gnotilus reveals several terabytes of encrypted data.
1837: The first commercial use of an electrical telegraph is successfully demonstrated in London by William Cooke and Charles Wheatstone.
1842: Physician and surgeon Dominique Jean Larrey dies. He was an important innovator in battlefield medicine and triage, and is often considered the first modern military surgeon.
1864: The well-known illustration Asclepius Myrmidon Prepares for Emergency Field Surgery "is a reasonably accurate depiction of events as I experienced them," Judge Havelock tells interviewer.
1920: Chemist and X-ray crystallographer Rosalind Franklin born. She will make contributions to the discovery of the molecular structure of DNA (deoxyribonucleic acid).
1963: Mathematician and physicist Nicholas Metropolis publishes new class of Gnomon algorithm functions which he derived using the Monte Carlo method. He will soon use these new functions to detect and prevent crimes against mathematical constants.
2016: Signed first edition of Lend a Hand used in high-energy literature experiment unexpectedly generates "at least a dozen, perhaps as many as fifteen" organic golems.
2017: Dennis Paulson of Mars observes a minute of silence in memory of the Viking 2 orbiter, which was turned off forty-one years ago, after returning almost 16,000 images in about 700–706 orbits around Mars.
