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.Standard & Poor's: It is expected that the rise of trade protectionism in major economies will damage the GDP growth of most emerging markets, but the impact will depend on specific policies. Central banks in emerging markets are expected to take a more cautious stance, but monetary easing will continue.According to South Korean media reports on the 12th, South Korea's National Archives Institute and the President's Archives began to check the emergency martial law related files.
Market information: Israeli air strikes targeted the Palestinian people carrying security aid trucks in Rafah, causing medical casualties.Seven people were killed in the attack on Rafah, a city in the southern Gaza. On the 12th local time, it was learned from the Palestinian side that Israeli troops bombed Rafah, a city in the southern Gaza, killing seven people and injuring many others. According to medical staff in Rafah, seven dead people were attacked while protecting a rescue truck that arrived in the city. (CCTV News)The performance of deep thinking AI model exceeds the existing weather forecast. A study published in the new issue of Nature reported the latest machine learning model introduced by deep thinking. The model can make reliable probabilistic weather forecast according to current and future weather, and its performance not only exceeds the best traditional medium-range weather forecast, but also can better predict extreme weather, tropical cyclone route and wind energy production.
Market information: Israeli air strikes targeted the Palestinian people carrying security aid trucks in Rafah, causing medical casualties.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.Market News: The United Nations General Assembly adopted a resolution by an overwhelming majority, demanding an immediate and unconditional permanent ceasefire in the Gaza Strip.