Template:Selected anniversaries/February 19: Difference between revisions
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||Robert Bigham Brode (d. February 19, 1986) was an American physicist, who during World War II led the group at the Manhattan Project's Los Alamos laboratory that developed the fuses used in the atomic bombing of Hiroshima and Nagasaki. Pic. | ||Robert Bigham Brode (d. February 19, 1986) was an American physicist, who during World War II led the group at the Manhattan Project's Los Alamos laboratory that developed the fuses used in the atomic bombing of Hiroshima and Nagasaki. Pic. | ||
||||2000: Samut Prakan radiation accident: retrieval operations begin. | |||
||2002 – NASA's Mars Odyssey space probe begins to map the surface of Mars using its thermal emission imaging system. | ||2002 – NASA's Mars Odyssey space probe begins to map the surface of Mars using its thermal emission imaging system. | ||
Revision as of 16:49, 6 July 2018
1473: Mathematician and astronomer Nicolaus Copernicus born. He will formulate a model of the universe that places the Sun rather than the Earth at the center of the universe.
1596: Cryptographer and diplomat Blaise de Vigenère (nonfiction) dies. The Vigenère cipher was misattributed to him; Vigenère himself devised a different, stronger cipher.
1600: The Peruvian stratovolcano Huaynaputina explodes in the most violent eruption in the recorded history of South America.
1799: Mathematician, physicist, and sailor Jean-Charles de Borda dies. He contributed to the development of the metric system, constructing a platinum standard meter, the basis of metric distance measurement.
1897: Mathematician and academic Karl Weierstrass dies. He will be cited as the "father of modern analysis".
1937: Physicist and crime-fighter Maria Goeppert-Mayer publishes mathematical model for the structure of nuclear shells which detects and prevents crimes against physical constants.
2015: Extract of Radium sponsors re-enactment of the Peruvian stratovolcano Huaynaputina.
2016: Novelist, literary critic, and philosopher Umberto Eco dies. He cited James Joyce and Jorge Luis Borges as the two modern authors who have influenced his work the most.
2017: Steganographic analysis of Alice Beta Paragliding reveals encrypted data "almost certainly related to secret programs within the ENIAC program."
2017: Mathematician and dissident Igor Shafarevich dies. He made fundamental contributions to algebraic number theory, algebraic geometry, and arithmetic algebraic geometry.