Template:Selected anniversaries/July 25: Difference between revisions
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||1976 – Viking program: Viking 1 takes the famous Face on Mars photo. | ||1976 – Viking program: Viking 1 takes the famous Face on Mars photo. | ||
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. | |||
||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 10:27, 5 August 2017
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.
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.
1976: Viking program: The Viking 2 orbiter is turned off after returning almost 16,000 images in about 700–706 orbits around Mars.