Metal Magic: Creating Dream Materials with Semiconductor Quantum Dots
Science and Technology Daily, Beijing, May 30 (Reporter Zhang Jiaxin) According to the latest issue of Nature Communication, a team including researchers from Japan's RIKEN Emerging Materials Science Center has successfully created a "superlattice" composed of lead sulfide semiconductor colloidal quantum dots, in which researchers have realized the conductivity of similar metals, which is 1 million times higher than the current quantum dot displays, And it will not affect the quantum confinement effect. This progress may completely change quantum dot technology, enabling new applications in electroluminescent devices, lasers, thermoelectric devices, and sensors...
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Creation of a bee robot capable of stable flight in multiple directions
Science and Technology Daily, Beijing, May 30th (Reporter Zhang Mengran) - Researchers at Washington State University in the United States have developed a robotic bee that can fly stably in all directions. The research results were published in the latest issue of IEEE Journal of Robotics...
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Exploring the 2023 China Science Fiction Conference: "Black Technology" Continuously Emerges with Innovative Vitality
Wearing VR glasses and riding on the "Zhurong Mars rover", a Mars exploration journey is about to begin....
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The demand for computing power explodes, and new investment opportunities emerge in the AI industry chain
Since May, the Block trade of Fulian, the leading industry of AI servers, has risen significantly. At the same time, the turnover of many chip concept stocks such as Lixun Precision, Zhongji Xuchuang, Lanqi Technology and other Block trade was also high...
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Beijing Tianjin Hebei Signed Big Data Development Strategy Cooperation Agreement
Tianjin, May 30 (Reporter Jin Bo) Beijing Big Data Center, Tianjin Big Data Management Center and Hebei Big Data Center recently signed the Strategic Cooperation Agreement on the Development of Beijing Tianjin Hebei Big Data (hereinafter referred to as the "Agreement") in Tianjin, to promote the implementation of the major national strategy of coordinated development of Beijing Tianjin Hebei, and to cooperate in the field of big data in the three regions, so as to jointly create a leading area for Chinese path to modernization The demonstration zone contributes big data strength.According to the Agreement, the three parties will establish a long-term strategic partnership, adhere to the principles of "resource sharing, business collaboration, and complementary advantages", strengthen cooperation in the field of big data, and drive high-quality development of the big data industry...
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Building a Smart City Based on Digital Twin Technology (People's Current Review)
For Yangpu Bridge in Shanghai, the prestressed tendons, stay cables, beams and other facilities of the main tower are digitally coded and equipped with intelligent sensing equipment, so that the "digital signs" are clear at a glance; Jinan, the "Spring City", is a four-dimensional geological environment visualization information system platform that automatically "cuts" information such as stratigraphic structure, lithology, and karst development characteristics, providing reference for the suitability analysis of rail transit lines; Xiong'an, the "city of the future", plans and builds physical cities and digital cities simultaneously, gathers urban data, and speeds up the construction of the information "hub" for overall management and operation....
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A woman wields a stick to brutally hit the hospital's "intelligent guidance", staging a Terminator blockbuster
Recently, an astonishing incident occurred at the Xuzhou Second Hospital in Jiangsu Province, where a woman holding a stick smashed an intelligent guidance robot in the hall.Originally, the relative of this woman was receiving treatment in the hospital and her condition may not be optimistic,She had been crying incessantly when the robot came up to her and asked if she wanted to hear a joke, but it angered her and picked up a stick and hit her...
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The Chinese side is fighting back! Meiguang is banned in the Chinese market, foreign media: Will Apple be the next one?
There is an ancient Chinese saying that goes, "Give back to the enemy with the same method." In the United States, they actively launched the chip war and joined forces with Japan, South Korea, and other countries to sanction Chinese enterprises...
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Accessdeniedforuser~~(usingpassword: YES) appears during MySQL login
Windows~~~Access denied foruser 'root' @ 'localhost' (usingpassword: YES) appears during MySQL login and changes the MySQL passwordcatalogueSuitable for installing MySQL on WindowsSolution for denying access to root usersSolution:Restart MySQL serverIf the above still doesn't work1 Uninstall all MYSQL related applications on the computer2 Delete all MYSQL configuration files3 Then install or perform relevant configurationsSuitable for Linux protocol socket configuration mysglMySQL Technical Forum: MySQL:: MySQL ForumsSuitable for installing MySQL on WindowsSolution for denying access to root users1045 (28000) : 'root @localhost' (: YES) Firstly, analyze this English: ERROR1045 (28000): Accessdeniedforuserroot @ 'localhost' (usingpassword: YES);There are two parsing places: Accessdenied and usingpassword; The combination is as follows:DAccessdenied (access denied: username and address)Quisingpassword: NOOusingpassword: YESReason analysis: The reasons for the occurrence of accessed may be as follows:1) MySQL server stopped2) The port number of the service3) MySQL configuration file error - files such as my ini4) Root user does not use a password, but access is denied (password is not used, local access is denied 5) Root user uses the correct password, but access is denied (password is used, local access is denied)Omyini configuration file path issueOmyini : MySQLRestart MySQL server: net start mysql:(3306/3307)myin: portX(:port 3306)Reason three solution: The myini file mistakenly entered invalid content, and I don't know where to go Copy and replace the file Someone has already explained and annotated the myin fileReason 4 Solution: The root user's password is correct, but they refuse to log in The main content of this blog article is [Solution]@Problem with the content of the myini configuration file1myiniMySglcatalogue@Problem with the content of my ini configuration fileThe reasons for the occurrence of usingpassword are as follows:1: Do not type password:2: Password typed:SolutionMySQLcataloguemyini:Add skip grant tables after mysqldl (using setpasswordfor to set the password is invalid, and there is no need to type a password for subsequent login)Step above: Minimize operations as much as possible(Refers to adding skip grant tables)Note: After adding, you can enter the MySQL service without entering a password!!!Starting MySQL Server1 Stop running netstopmysql2 Start and run netstartmysqlLog in to MySQL and type mysgl uroot p; Enter directlyAt this point, you want to type setpasswordforroot@localhost '=password (123456'; this command is invalid!!!Because adding skip grant tables to my ini file eliminates the need to type a password from now onMySQLmyiniskip-grant-tablesRestart MySQL server:Netstopmysglnetstartmysg!Step 1:Open the cmd command line and type mysal uroot p twice to enter MySQLStep 2:Simply delete or annotate skip grant tables from the myini configuration fileStep 3:Set password again: setpasswordforroot@localhost '=password (123456)Step 4:Restart MySQL serviceStep 5:validateSuccessfully set the MySQL password.Skip name resolve # Prohibits MySQL from performing DNS resolution on external connections...
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The Heart of Molecules Xu Jinbo's speech at Zhongguancun Forum: AI protein design leads to new changes in biobased economy
On May 30, it was reported that at the Zhongguancun Forum "Scientific Research Forum Driven by Artificial Intelligence", Xu Jinbo, a well-known computational biologist, founder of Molecular Heart and outstanding visiting professor of the Institute of Intelligent Industry (AIR) of Tsinghua University, said that AI biology has become a new core field of global science and technology integration and innovation. Driven by emerging technologies such as AI protein design technology, the field of biotechnology is undergoing disruptive changes, The AI biological model will accelerate this process...
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Who could have imagined that these companies that shook the world would do so behind the scenes! Netizen: Unbelievable
The protagonist of today's article is Elon Reeve Musk. Yes, you know Tesla's CEO Musk...
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The highest volume of 618 in history has opened, and JD Jingzao has created a high-quality and low-priced model with long-term utilitarianism
At present, the Chinese economy has entered a new stage of high-quality development and is moving towards the era of brand economy. Brand winning is the growth path of every enterprise and an important path for high-quality development of the Chinese economy...
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