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The performance is completely substandard, and the energy density of the Tesla 4680 battery is 13% lower than that of the 2170 battery
IT Home reported on May 14th that although Tesla CEO Elon Musk has been advocating for the benefits that 4680 batteries can bring, the 4680 batteries produced at this stage seem far from meeting theoretical performance indicators.@TroyTesla calculated based on the results of the Tesla Model Y endurance test released by the EPA, and found that the energy density of the 4680 battery used in a small portion of the standard endurance Model Y models in the United States is 13% lower than the 2170 battery commonly used by Tesla worldwide, with only 229Wh/kg (Texas produced 4680 batteries have a nominal capacity of 244Wh/kg, while the theoretical capacity can reach over 300Wh/kg)...
Mobile Internet 2023-05-14 10:23:21 -
Huawei Changxiang 60X512GB version model for sale: 6.95 inch screen+7000mAh, 2299 yuan
On May 14th, IT Home reported that Huawei Changxiang 60X has three memory versions, 128GB, 256GB, and 512GB. The 128GB and 256GB versions were sold on April 26th, while the 512GB version was sold on May 13th for 2299 yuan...
Mobile Internet 2023-05-14 10:23:18 -
Xiaomi Security Center updates and stops supporting product list, including RedmiK30
On May 14th, IT Home reported that Xiaomi provides continuous security updates for its smartphones, covering phones from Xiaomi, Redmi, and POCO brands. The security updates provided by Xiaomi include the latest security patches, security issue fixes, and other security improvements...
Mobile Internet 2023-05-14 10:23:17 -
Is' gambling 'right? Huawei and Ningde Times have joined forces, with foreign media reporting that the United States has become a backdrop for China
As is well known, in the 5G field, Chinese enterprises have already achieved leadership. That's why companies such as Huawei and ZTE have been sanctioned by the US to prevent Chinese companies from leading the development of 5G...
Intelligent devices 2023-05-13 10:26:15 -
The Chinese are holding us by the neck! Only Musk's rocket company has over 1000 people from Tsinghua University
The Chinese are holding us by the neck! Only Musk's rocket company has over 1000 people from Tsinghua UniversityIt is not Americans who are holding us by the neck, but Chinese people, "Ren Zhengfei sincerely exclaimed.At a year-end symposium, Ren Zhengfei directly angered many Huawei executives, saying, "It's still a damn New Year! It's not Americans who are holding us back, it's Chinese people...
Intelligent devices 2023-05-13 10:19:30 -
Pan Jianwei: 255 photon computing prototypes have been implemented and the first mid to high orbit quantum satellite is being developed
In 2020, the quantum computing prototype "Nine Chapters" with 76 photons solved a specific problem of Gaussian Persian sampling at a speed of 100000 times that of the fastest classical supercomputer at the time. Recently, Pan Jianwei's team has implemented a prototype machine for calculating the amount of 933 photons with 255 photons, which has a problem-solving ability that is 1000 trillion times faster than classic supercomputers...
Intelligent devices 2023-05-13 10:19:21 -
OPPO has not yet decided to terminate semiconductor manufacturing. In the cold winter of semiconductors, "ZEKUs" experience a "critical autumn"
Reporter: Chen Pengli Editor: Liang XiaoAt noon today (May 12th), OPPO confirmed to the Daily Economic News reporter that in the face of uncertainty in the global economy and mobile phone market, after careful consideration, the company has decided to terminate ZEKU (Zheku) business. This is a difficult decision, and we will handle the relevant matters properly...
Mobile Internet 2023-05-13 09:34:50 -
Zhihu has added a professional certification fast track that allows for one click certification of LinkedIn career information
On May 12th, Zhihu announced the opening of a professional certification fast track for a wide range of employees. Creators can quickly submit information such as companies, positions, and personal homepages that have completed certification on the workplace platform to Zhihu to complete professional identity authentication with one click...
internet 2023-05-12 19:42:46 -
Numbering and lettering Bitcoin, this "ancient" blockchain network is stuck in congestion moments
Interface News Reporter | Si LinweiCompared to Ethereum, Bitcoin, with its vision of "digital gold", has been relatively calm in terms of blockchain technology updates in recent years. However, the Bitcoin community has recently ushered in the hottest moment of technology discussion in recent years...
Blockchain 2023-05-12 19:01:29 -
Lenovo Amu: Under the new consumption trend, only intelligent empowering brands can stimulate consumption vitality
On May 11th, it was reported that recently, Lenovo Group Vice President Abulimiti (hereinafter referred to as "Abulimiti") stated at the China Brand New Consumption Forum that in the face of new consumption trends, intelligent means should be used to continuously empower consumer brands to upgrade, in order to better lead new consumption and promote brand development.Amu believes that the current new consumption mainly presents three major trends: experiential, service-oriented, and green...
internet 2023-05-12 14:38:10 -
Summary of commonly used functions and time processing in SqlServer
YEAR() The function returns an integer value that represents the year of the specified date, typically used as Year, such as:YEAR('2023-03-1416:50:08.543')--2023REPLACE() The string replacement function is generally used as: Replace (the searched string, the string to be replaced, and the replacement value), such as:REPLACE ('Test Added ',' of ',' Test Data ') -- Test Added Test DataSTUFF() The function is used to delete a specified length of character and insert another set of characters at the specified starting point...
Database Operation Tutorial 2023-05-12 12:13:30 -
Summary of several methods for removing duplicate data in SQL (window function for data deduplication)
catalogueMethod 1: distinctMethod 2: groupbyMethod 3: Window functionWhen using SQL to extract and analyze data, we often encounter scenarios where data is duplicated, requiring us to perform data deduplication and subsequent analysis.Taking the sales report of a certain e-commerce company as an example, we commonly use distinct or group by statements to deduplicate data...
Database Operation Tutorial 2023-05-12 12:13:26
