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The Song engineer Su Song, who constructed a hydraulically-powered astronomical clocktower, admitted that he and his contemporaries were building upon the achievements of the ancients such as Zhang Heng (78–139), an astronomer, inventor, and early master of mechanical gears whose armillary sphere was automatically rotated by a waterwheel and ...
During the early Song dynasty, a spherical compass with a small needle made of magnetic steel was created after steady development. The little needle has one end pointing south and the other pointing north. During the Northern Song dynasty (960–1127), the compass was brought to the Arab world and Europe.
The Song commander "ordered that gunpowder arrows be shot from all sides, and wherever they struck, flames and smoke rose up in swirls, setting fire to several hundred vessels." [21] Song forces took another victory in 1161 when Song paddle boats ambushed a Jin transport fleet, launched thunderclap bombs, and drowned the Jin force in the ...
There were many famous inventors and early scientists in the Song dynasty period. The statesman Shen Kuo is best known for his book known as the Dream Pool Essays (1088 AD). In it, he wrote of use for a drydock to repair boats, the navigational magnetic compass , and the discovery of the concept of true north (with magnetic declination towards ...
This is a list of Korean inventions and discoveries; Koreans have made contributions to science and technology from ancient to modern times.In the contemporary era, South Korea plays an active role in the ongoing Digital Revolution, with one of the largest electronics industries and most innovative economies in the world.
The original lyrics [9] were composed on February 23, 1940, in Guthrie's room at the Hanover House hotel at 43rd St. and 6th Ave. (101 West 43rd St.) in New York. The line "This land was made for you and me" does not appear in the original manuscript at the end of each verse, but is implied by Guthrie's writing of those words at the top of the page and by his subsequent singing of the line ...
A judge in Brazil has ordered Adele’s song Million Years Ago to be removed globally from streaming services due to a plagiarism claim by Brazilian composer, Toninho Geraes. Geraes alleges that ...
Kálmán Tihanyi (1897–1947), Hungary – co-inventor of cathode-ray tube and iconoscope, infrared video camera, plasma display Mikhail Tikhonravov (1900–1974), Russia – co-developer of Sputnik 1 (the first artificial satellite) together with Korolyov and Keldysh , designer of further Sputniks