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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Inventory of used mobile phones to commemorate the passing years
I used to be very passionate about mobile phones, and I usually change my phone every year or at most two years. As I age, I gradually lose that passion and no longer chase performance scores because I no longer play games...
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Deep reinforcement learning for task offloading in unmanned aerial vehicle assisted intelligent farm network
Wen | Zhang BucaiEditor | Zhang Bucai1. IntroductionAs wireless network communication becomes increasingly powerful,It has become the norm for a scholar to know the world's affairs without going outDrones and artificial intelligence are becoming increasingly important in agriculture,Automatically monitor farmland to improve agricultural landscape and perform numerous image classification tasks to prevent damage to the farm in the event of fires or floods...
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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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Seamless integration of multiple languages: the ultimate guide to parameter verification (1)!
SpringBoot /** * */ @Email(message = "") @NotBlank(message = "") @ApiModelProperty(notes = "", required = true) private String accountName; APP idea LoginBo@Datapublic class LoginBo { /** * */ @NotBlank(message = "") private String accountName; /** * */ @NotBlank(message = "") private String password;}ResultVopublic class ResultVo<T> { private String code; private String msg; private T data; public ResultVo() { } public ResultVo(String code, String msg) { this(code, msg, null); } public ResultVo(String code, String msg, T data) { this.code = code; this...
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Meng Wanzhou helped Huawei to achieve 23 trillion yuan! Ren Zhengfei exclaimed: Spring is full of vitality
Meng Wanzhou, the vice chairman, rotating chairman and CFO of Huawei, is a female leader who has experienced trials and tribulations in Huawei and has made outstanding achievements. She is the eldest daughter of Huawei founder Ren Zhengfei and the core promoter of Huawei's financial organization...
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2023 Zhongguancun Forum | 360 Liang Zhihui Interprets New Opportunities in Metaverse Marketing
From May 25th to 30th, the 2023 Zhongguancun Forum was held in Beijing. At the "Internet 3...
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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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Commercial operation of domestic large aircraft by Civil Aviation of China officially starts
Beijing, May 28th (Reporter Qiu Chaoyi, Shen Wenmin): According to China Eastern Airlines Group Co., Ltd...
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Male robots come out, but do women dislike their boyfriends after experiencing them? Why?
Recently, a product called "Male Robot" has started to be sold in the market. This robot is designed to accompany people through various difficulties in daily life...
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The "12+256GB" memory is sufficient: around 2000 yuan for a mobile phone, which can run smoothly for three years without replacement
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