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Xi 'an [a] is the capital ... The Lantian Man was discovered in 1963 in ... The autonomous standard time scales of universal time and atomic time and the ...
1932 Antielectron (or positron), the first antiparticle, discovered by Carl D. Anderson [13] (proposed by Paul Dirac in 1927 and by Ettore Majorana in 1928) : 1937 Muon (or mu lepton) discovered by Seth Neddermeyer, Carl D. Anderson, J.C. Street, and E.C. Stevenson, using cloud chamber measurements of cosmic rays [14] (it was mistaken for the pion until 1947 [15])
Deng Jiaxian, also spelled as Chia-Hsien Teng (simplified Chinese: 邓稼先; traditional Chinese: 鄧稼先; pinyin: Dèng Jiàxiān; Wade–Giles: Teng Chia-Hsien; June 25, 1924 – July 29, 1986), was a Chinese theoretical physicist, nuclear physicist, member of the Chinese Academy of Sciences, member of the 12th Central Committee of the Chinese Communist Party, and member of the Central ...
On April 30, John Cockcroft and Ernest Walton publish the first disintegration of an atomic nucleus, popularly described as splitting the atom. They report the production of two alpha particles from the bombardment of lithium-7 nuclei by protons, using a Cockcroft–Walton generator at the University of Cambridge 's Cavendish Laboratory . [ 7 ]
Jia Xian triangle: This triangle was the same as Pascal's Triangle, discovered by Jia Xian in the first half of the 11th century, about six centuries before Pascal. Jia Xian used it as a tool for extracting square and cubic roots .
Zhou dynasty established its capital in Feng (灃/沣) and Hao (鎬/镐) between the late 11th century BC and 770 BC, both located west of contemporary Xi'an. In 770 BC, the capital was moved to Luoyang due to political unrest. [1] The state Qin moved its capital to Xianyang 350 BC just north of today's Xi'an on the north shore of Wei River. [2]
The monument of the successful atomic detonation in Qinghai.x At the same time, the Soviet Union had provided China with important assistance since 1955, even though on December 10, 1957, the Soviet Union proposed that the United States , the United Kingdom , and the USSR should halt nuclear weapons tests for the next two to three years, to ...
1897 J. J. Thomson discovered the electron; 1897 Emil Wiechert, Walter Kaufmann and J.J. Thomson discover the electron; 1898 Marie and Pierre Curie discovered the existence of the radioactive elements radium and polonium in their research of pitchblende; 1898 William Ramsay and Morris Travers discover neon, and negatively charged beta particles