According to OpenAI, ChatGPT is now integrated into Apple's iOS, iPadOS and macOS, and users will be able to access ChatGPT through these systems.List of A-share share repurchase: 16 companies disclosed the progress of repurchase, and on December 12, a total of 16 companies issued announcements related to share repurchase. Among them, four companies disclosed the stock repurchase plan for the first time, two companies' repurchase plans were approved by the shareholders' meeting, four companies disclosed the implementation progress of stock repurchase, and six companies' repurchase plans have been implemented. Judging from the initial disclosure of the repurchase plan, the amount of a company's stock repurchase plan on that day exceeded 10 million. Nanshan aluminum, Longzhu Science and Technology and Longzhu Science and Technology have the highest repurchase plans, and they plan to repurchase no more than 600 million yuan, 5,895,100 yuan and 1,171,000 yuan respectively. Judging from the repurchase plan passed by the shareholders' meeting, the repurchase plans of two companies exceeded 10 million on that day. Huaan Securities and Tongkun have the highest repurchase amount, with the planned repurchase not exceeding 200 million yuan and 51,966,700 yuan respectively. Judging from the implementation progress of repurchase, Shunluo Electronics, Shengquan Group and Hailiang have the highest repurchase amounts, with 9.009 million yuan, 3.8251 million yuan and 3.5187 million yuan respectively. Judging from the completed repurchase, the repurchase amount of four companies on that day exceeded 10 million. Chengda Pharmaceutical Co., Ltd., Jinshi Resources Co., Ltd. and Yingfangwei Co., Ltd. have completed the highest repurchase amounts, with 57,061,600 yuan, 53,158,000 yuan and 31,405,600 yuan respectively.US$ 895 billion The US House of Representatives passed the national defense policy bill for fiscal year 2025. On December 11, local time, the US House of Representatives passed the national defense policy bill of US$ 895 billion with 281 votes in favor and 140 votes against, authorizing the Ministry of National Defense to provide funds for fiscal year 2025. It is reported that the bill has now been sent to the Senate.
Trump's NASA candidate called his future SpaceX mission a "question mark". On Wednesday, Jared Isaacman, a billionaire in science and technology, who was selected by President-elect Trump, said that his planned private astronaut mission with Musk's SpaceX company "is still a question mark and may be put on hold for the time being" because he is going to enter the government department to lead NASA.Six members of the ruling party of South Korean President Yin Xiyue supported the impeachment of the president.The latest 24-hour situation tracking of the Russian-Ukrainian conflict (December 12) The conflict situation: 1. The French President considers deploying a European peacekeeping force in Ukraine. 2. Uzbekistan claims that the city of Zaporoge was attacked by Russian troops, resulting in 6 deaths and 22 injuries. The Ukrainian military said it attacked the oil depot in the Bryansk region of Russia. 4. Russian Ministry of Defence: Russian air defense forces destroyed 14 Ukrainian drones overnight. 5. Russian Ministry of Foreign Affairs: On December 10th, Ukraine attacked the car in which the experts of the International Atomic Energy Agency were riding, and the attack occurred near the nuclear power plant controlled by Ukraine. 6. Russian media: The Russian side said that it was attacked by six ATACMS missiles today. Russia said it would respond to today's ATACMS missile attack. 7. Governor of Belgorod, Russia: Ukrainian troops fired more than 30 shells in Belgorod within 24 hours, causing no casualties or property losses. 8. US officials: Russia may launch another experimental "Oreshnik" missile to Ukraine in the next few days. The United States focuses on providing Ukraine with an air defense system to defend against Russian missiles and drones. Others: 1. Polish Prime Minister Tusk: He will visit Ukraine in early 2025. 2. Hungarian Prime Minister: Zelensky categorically rejected the ceasefire on December 25th. 3. German Chancellor Scholz: The Ukrainian energy sector needs a lot of private investment. 4. Sources: NATO may raise its expenditure target to as high as 3% of GDP. 5. Diplomat: The EU envoy failed to reach an agreement on the 15th round of sanctions against Russia. 6. Ukrainian Finance Minister: Ukraine can resist at least until the middle of next year without American assistance. 7. US Treasury Secretary Yellen: US sanctions against Russia "continue to tighten" and have tried to curb Russian income through innovative ways. 8. Russian Ministry of Foreign Affairs: The relationship with the United States is in jeopardy, calling on Russian citizens not to travel to the United States. Russia has asked the United States to agree to appoint a new ambassador to the United States. 9. Two sources: Ukrainian President Zelensky used his first meeting with Donald Trump since the US presidential election to show that Ukraine needs security guarantees in any negotiations to end the Russian-Ukrainian conflict.
Scientists observed semi-Dirac fermion for the first time, and scientists from Pennsylvania State University and Columbia University joined hands to observe a special kind of quasi-particle-semi-Dirac fermion for the first time. Such quasi-particles have mass when moving in one direction, but lose mass when moving in the other direction. The researchers said that in-depth research on these quasi-particles is expected to promote the development of next-generation batteries, sensors and other technologies. Related papers were published in the new issue of Physical Review X.The pumped storage capacity of State Grid in operation exceeds 40 million kilowatts. Today (12th), with the full commissioning of Zhen 'an Pumped Storage Power Station in Shaanxi Province, the installed capacity of pumped storage in operation of State Grid Corporation exceeded 40 million kilowatts, accounting for about 70% of the pumped storage power stations in operation in China. After 15 days of trial operation, Unit 4 of Shaanxi Zhen 'an Pumped Storage Power Station was successfully put into operation today, marking the full commissioning of the pumped storage power station.According to OpenAI, ChatGPT is now integrated into Apple's iOS, iPadOS and macOS, and users will be able to access ChatGPT through these systems.