China science, technology news summary -- March 31

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BEIJING, March 31 (Xinhua) -- The following is a summary of published science and technology news of China.


China's Five-hundred-meter Aperture Spherical radio Telescope (FAST), the world's largest single-dish and most sensitive radio telescope, has received applications from 15 foreign countries and approved a total of nearly 900 hours of observation access for foreign research teams since March 31, 2021.

According to Sun Chun, engineer in charge of measurement and control of the FAST, the 15 countries include Germany, Italy and France, and the applications mainly involve fast radio burst observations, pulsar observations, and neutral hydrogen surveys.


An international research team led by Chinese scientists has for the first time presented experimental evidence of a graviton-like particle called chiral graviton modes (CGMs), with the findings published in the scientific journal Nature on Thursday.

These findings mark the first experimental substantiation of the concept of gravitons, posited by pioneering works in quantum gravity since the 1930s, in a condensed matter system, said Du Lingjie, leader of the team and a professor at the School of Physics, Nanjing University, in east China's Jiangsu Province.

Graviton is a yet-to-be-discovered elementary particle that is well-known in the realm of quantum gravity. The existence of gravitons could fill critical gaps between quantum mechanics and Einstein's theory of general relativity, making a vital contribution to modern physics, and studying graviton-like particles like CGMs could help examine graviton physics, Du said.


A team of Chinese scientists have completed the genetic profile of an ancient Chinese ethnic minority emperor via genome analysis, according to local archaeologists on Thursday.

Emperor Wu of the Xianbei-led Northern Zhou Dynasty (557-581), also known as Yuwen Yong, was an ambitious leader who died at 36. He belonged to the Xianbei nomadic group, which originated from the Mongolian Plateau. Enditem

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