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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Focusing on major application directions and accelerating the development of third-generation semiconductors
Recently, at the 2023 Zhongguancun Forum "Beijing (International) Third Generation Semiconductor Innovation and Development Forum", Xiang Libin, a member of the Party Group and Vice Minister of the Ministry of Science and Technology, stated that third-generation semiconductors represented by silicon carbide and gallium nitride have excellent performance and have a huge market in fields such as new energy vehicles, information communication, and smart grids.Building an Industrial EcologyXiang Libin stated that the "13th Five Year Plan" period has basically solved the "availability" problem of China's third-generation semiconductor products and related equipment, and the "14th Five Year Plan" period will focus on solving the problems of "usability, usability" and sustainable innovation ability...
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Why are more and more regular users no longer considering adding one when changing their phones?
I don't know if you have noticed that in recent years, fewer and fewer people have chosen to use OnePlus phones. A few years ago, although Yijia's popularity was not high, many loyal Yijia fans could still be seen online...
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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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Liu Lirong, founder of Jinli, suffered a disastrous defeat in the casino and lost over ten billion yuan in assets!
Liu Lirong, a renowned Chinese entrepreneur and founder of Jinli Group, is renowned for his outstanding achievements in the field of mobile communication in China.His entrepreneurial journey is full of hardships and determination, showcasing how an ordinary person can achieve their dreams through hard work and perseverance...
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The latest 39 crash and upcoming project platforms on May 28th!
1. Sunshine Market SSIMThis foreign exchange plate claims to hold Canadian FINTRAC and Australian ASIC foreign exchange licenses...
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Coming again? Passengers are unwilling to get off the bus, and reporters make guest appearances as "Qiantang Old Aunt"
On the morning of the 26th, our reporter saw a ride hailing driver persuading passengers to get off the bus on Pingshui Street in Hangzhou, and there was a deadlock for a while. The reporter decided to become the "Qiantang Old Aunt" once again...
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Magnetic fibrous silica mesoporous system for selective and efficient removal of divalent cadmium ions
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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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Buy the same shoes online, Taobao 38, JD89, and plan to place orders and compare them all. At first glance, I feel overwhelmed!
Have you ever been a big loser when shopping online?it happened like thisRecently, a blogger was planning to buy a pair of slippers because he had always been accustomed toJDGo shopping.So, he firstJDI found a style that looks quite satisfactory on the search!At first glance, the price needs to be89 yuanIt feels a bit expensive!Then I want to take a look at other platforms, and then I'll goTaobaoI searched and saw aIdentical shoes!At first glance, the price was only38...
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618 Xiaomi needs a big job! Allowing a profit of 1.6 billion yuan, with a maximum direct reduction of 3000 yuan, and the release of new machines
Young and promising. mp34:39From Digital Fantasy TalkAfter waiting for more than half a year, we finally arrived at the annual 618 promotion...
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Create another glory! China's technology has won 52 world firsts, and another domestic new product has successfully debuted in the market
From the initial Chang'e flying to the moon to the current Jiaolong entering the sea; From the successful development of the Beidou navigation system to the achievement of 5G communication technology today In just a few decades, China has achieved amazing results, and with the continuous strength of China's technology, more and more foreign media have also noticed that China's high-tech field is facing a new round of transformation.The well-known British magazine The Economist published an article stating that China has ushered in a new round of industrial upgrading and made significant progress in the field of technology, especially in the fields of the Internet of Things, cloud computing, artificial intelligence, communication technology, etc...
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