Scientists in China Achieve Quantum Key Distribution in Thousand Kilometers of Relay Free Fiber Optics
Hefei, May 29 (Reporter Xu Jing) -- Pan Jianwei and Zhang Qiang of the University of Science and Technology of China, together with Wang Xiangbin of Tsinghua University, Liu Yang of Jinan Institute of Quantum Technology, You Lixing and Zhang Weijun of the Shanghai Institute of Microsystems and Information Technology of the Chinese Academy of Sciences, have cooperated to achieve 1002km point-to-point long-distance quantum key distribution in optical fibers by developing technologies such as low crosstalk phase reference signal control and extremely low noise single photon detectors, Not only has it set a world record for fiber optic relay free quantum key distribution distance, but it also provides a solution for high-speed backbone links in intercity quantum communication. The relevant research results were recently published in the international academic journal "Physical Review Letters"...
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Behind the vulgar chaos of live streaming: Several platforms have been named multiple times, and scholars suggest improving the disciplinary mechanism
In early May, the National Internet Information Office announced that in response to serious ecological issues such as pornography and vulgarity on the Douyu platform, the National Internet Information Office guided the Hubei Provincial Internet Information Office to dispatch a working group to stationed on the Douyu platform for a month long centralized rectification supervision.The working group has been stationed for more than half a month, and reporters from Nandu have measured multiple live streaming platforms and found that the phenomenon of "edge scraping" in live streaming rooms still exists...
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Sonova Presents at the Beijing International Audiology Conference with the Latest Hearing Aid Technology from Unikang
Research has shown that the impact of hearing loss is multifaceted, not only leading to physiological illnesses, but also social and emotional problems, leading to a decline in overall quality of life. The current situation in China is that hearing loss is widespread and the population is huge...
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The "Zhongguancun Hard Science Popularization Platform" has been officially released
On May 28th, at the 2023 Zhongguancun Forum on "Hard Science Popularization to Promote the Transformation of Scientific and Technological Achievements", the "Zhongguancun Hard Science Popularization Platform" was officially released, providing diverse application scenarios and professional services to promote the development of "hard science popularization", and making high-end "hard technology" better accessible to the public. It is reported that the platform is jointly released by Beijing Zhongguancun Science and Technology Service Co...
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Artificial muscle fibers can be used as cell scaffolds
Science and Technology Daily, Beijing, May 28 (Reporter Zhang Jiaxin) In two new studies, researchers at North Carolina State University in the United States designed and tested a series of textile fibers that can change shape and generate strength like muscles.In a study published in the new issue of the Journal of actuators, researchers focused on studying the effect of this material on the strength and contraction length of artificial muscles...
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Governance Becomes "Intelligent" Manufacturing Becomes "Intelligent" Manufacturing
Fu Jing, reporter of our newspaper He XinghuiThe "One Network Unified Management" 100+application scenario solution makes regulation "smarter" and "Digital Yangtze River Integration Platform" builds a three-dimensional digital reality map of the Yangtze River....
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Can access control be controlled using a mobile phone? Just read this article!
What should I do? Who has access to this access control device? I need to go in and help the leader retrieve a file now. Can I only break the door?In daily life and work, we often encounter situations where we need to temporarily enter the office or visit friends, but no one can open the door...
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After Huawei, Dajiang has been targeted again!
In recent years, the United States has continuously increased its pressure on Chinese enterprises, and has listed over 1000 enterprises as entities. Recently, another iconic technology company in China, Dajiang, has been targeted by the United States...
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China's first 4nm chip has been successfully developed, and there is hope for self-developed chips, as "Chinese chip" has made another breakthrough
China Chip Breakthrough Again! Recently, the China Supercomputer Research Center (NSCC) announced the successful development of China's first 4-nanometer chip and its packaging has been completed. This is an important breakthrough in China's semiconductor manufacturing field and a perfect counterattack against foreign technology lockdowns...
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Be vigilant! China's customized home furnishing industry is facing the "joint strangulation" of four major industries
According to data from the China Association of Automobile Manufacturers, in the first quarter, China exported 994000 vehicles, a year-on-year increase of 70.6%...
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Big data helps to "eliminate pornography"? If you meet the following characteristics, you may be "involved in pornography" without realizing it
In an instantEditor | Appreciate both refined and popular tastesBefore reading this article, we sincerely invite you to click on itFollowIt not only facilitates your discussion and sharing, but also brings you a different sense of participation. Thank you for your support...
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Is big data "anti pornography" coming? If you meet the following characteristics, you may have already been involved in pornography
In today's digital age, the internet has become an indispensable part of people's lives. However, with the popularization and increasing use of the Internet, the amount of harmful information in the network is also increasing, including disturbing pornographic content...
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