Template:Selected anniversaries/December 14: Difference between revisions
No edit summary |
No edit summary |
||
Line 7: | Line 7: | ||
||1865: Johan Georg Forchhammer dies ... geologist and mineralogist. Forchhammer conjectured that the ratio of major salts in samples of seawater from various locations was constant. This constant ratio is known as Forchhammer's Principle, or the Principle of Constant Proportions. Pic. | ||1865: Johan Georg Forchhammer dies ... geologist and mineralogist. Forchhammer conjectured that the ratio of major salts in samples of seawater from various locations was constant. This constant ratio is known as Forchhammer's Principle, or the Principle of Constant Proportions. Pic. | ||
||1879: French Army officer and inventor Claude-Etienne Minié dies. He will gain fame for solving the problem of designing a reliable muzzle-loading rifle by inventing the Minié ball in 1846, and the Minié rifle in 1849. Pic. | |||
|link=Max Planck (nonfiction)|1900: Quantum mechanics: Physicist [[Max Planck (nonfiction)|Max Planck]] presents a theoretical derivation of his black-body radiation law. | |link=Max Planck (nonfiction)|1900: Quantum mechanics: Physicist [[Max Planck (nonfiction)|Max Planck]] presents a theoretical derivation of his black-body radiation law. |
Revision as of 11:18, 29 November 2019
1546: Astronomer Tycho Brahe born. He will make observations some five times more accurate than the best available observations at the time.
1560: Didacus automaton announces world tour, plans to "travel the seven seas and visit the furthest lands."
1782: The Montgolfier brothers' first balloon lifts off on its first test flight. Shown here: first public flight (June 4, 1783).
1922: Physicist and educator Nikolay Basov born. He will do fundamental work in the field of quantum electronics.
1926: Actor-cryptographer Niles Cartouchian publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1940: Plutonium (specifically Pu-238) is first isolated at Berkeley, California.
1941: Cocktail made of Extract of Radium and Plutonium (specifically Pu-238) is first served at Berkeley, California.
1942: Theoretical physicist Wolfgang Pauli uses the exclusion principle to detect and prevent crimes against mathematical constants.
1947: Thomas Goldsmith Jr. is granted a patent for a "Cathode Ray Tube Amusement Device", the first ever electronic game.
1953: Anthropologist, ethnobotanist, author, and photographer Wade Davis born.
1976: Viking program: The Viking 2 orbiter begins its extended mission.
2017: Dennis Paulson of Mars celebrates the forty-first anniversary of the Viking 2 orbiter beginning its extended mission.
2018: Chromatographic analysis of Green Sprouts reveals "at least twenty" previously unknown shades of green.