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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 -
Latest ranking of digital camera sales: Sony 7IV Wins First Place
On May 13th, KuaiTech reported that THEMAPTIMES released its map camera digital camera sales ranking for April 2023, with Sony and Canon topping the top three.According to reports, Sony After seven months, the 7IV returned to the top of the list, mainly due to the approaching end of Sony's activities and an increase in consumer demand for new products...
Mobile Internet 2023-05-14 10:23:18 -
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 -
Is a complete ban on sales a foregone conclusion? The apple was suddenly investigated, and Cook's heart was shattered
Since Steve Jobs released his first iPhone, Apple has quickly defeated Nokia and Motorola with its powerful A-series chips and smooth iOS system, becoming a new benchmark in the global mobile phone market. Under the operation of commercial genius Cook, the market value has exceeded $3 trillion, becoming the world's most valuable technology company...
Mobile Internet 2023-05-13 09:34:31 -
The iPhone 14 ProMax once again lowered its price by 2000 yuan, but the reason for the sharp drop was Apple itself
The iPhone 14 ProMax, as Apple's most high-end flagship device, should have a high status. However, it is different from Apple's previous oversized cup models...
Mobile Internet 2023-05-13 09:34:28 -
Qualcomm Snapdragon 8Gen2 is down! One Plus Ace2Pro Exposure
On May 12th, KuaiTech announced that starting from OnePlus 11, OnePlus and OPPO have officially launched a dual brand strategy. At the press conference, Yijia Technology's Li Jie stated that Yijia's attitude is "not to enter this arena gently", hoping to become a catfish and bring more positive changes to the entire industry...
Mobile Internet 2023-05-13 09:34:18 -
Serious leakage! Apple caught the mole through fishing law enforcement
Recently, it was reported that an internal whistleblower named "analyst941" was investigated by Apple for leaking information about Apple's iOS17. The whistleblower has been dismissed and will face legal action...
Mobile Internet 2023-05-13 09:34:18 -
Cryptocurrency Exchange Coin Announces Exit from the Canadian Market
On May 12th, the world's largest cryptocurrency exchange, Coin On, announced its withdrawal from the Canadian market, stating that it is no longer suitable for Coin On due to "new guidelines related to stable currencies and investor restrictions on cryptocurrency exchanges". In recent months, Canada has tightened its regulation of crypto asset trading platforms by introducing a pre registration process, and companies that do not comply with regulations will face potential enforcement actions...
Blockchain 2023-05-13 08:26:46 -
Detailed Explanation of SQL Statement Left JOIN Splicing Table
catalogue1. Grammar2...
Database Operation Tutorial 2023-05-12 12:13:34 -
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