Template:Selected anniversaries/July 25: Difference between revisions

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||1959: Wolf Hirth dies ... German pilot and engineer, co-founded Schempp-Hirth. Pic (cool aero).
||1959: Wolf Hirth dies ... German pilot and engineer, co-founded Schempp-Hirth. Pic (cool aero).
File:Nicholas Metropolis.png|link=Nicholas Metropolis (nonfiction)|1963: Mathematician and physicist [[Nicholas Metropolis (nonfiction)|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]].


||1965: Bob Dylan goes electric at the Newport Folk Festival, signaling a major change in folk and rock music.
||1965: Bob Dylan goes electric at the Newport Folk Festival, signaling a major change in folk and rock music.
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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.
||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. 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 05:29, 25 July 2019

  • 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.

    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.

  • 1748: Astronomer Charles Messier's interest in astronomy is stimulated by an annular solar eclipse visible from his hometown.

    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.

    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.

  • 1837: The first commercial use of an electrical telegraph is successfully demonstrated in London by William Cooke and Charles Wheatstone.

    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.

    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.

  • 1920: Chemist and X-ray crystallographer Rosalind Franklin born. She will make contributions to the discovery of the molecular structure of DNA (deoxyribonucleic acid).

    1920: Chemist and X-ray crystallographer Rosalind Franklin born. She will make contributions to the discovery of the molecular structure of DNA (deoxyribonucleic acid).

  • 1976: Viking program: The Viking 2 orbiter is turned off after returning almost 16,000 images in about 700–706 orbits around Mars.

    1976: Viking program: The Viking 2 orbiter is turned off after returning almost 16,000 images in about 700–706 orbits around Mars.

  • 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.

    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.

    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.

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