weekly review(june 29-july 5)
(photo: vcg)
fast detects nanohertz gravitational waves
china's five-hundred-meter aperture spherical telescope (fast) has found evidence of the existence of nanohertz gravitational waves, according to a research paper published in the international journal research in astronomy and astrophysics on june 29. nanohertz gravitational waves are important for studying astrophysics-related phenomena including supermassive black holes and the formation of large-scale structures in the universe.
first 10,000-ton hydrogen project begins operation
sinopec's green hydrogen demonstration project in northwest china's city of kuqa in xinjiang has produced 99.9 percent pure hydrogen, the chinese oil and gas company said on june 30. green hydrogen is produced directly from renewable energy sources such as solar and wind power, and basically no greenhouse gases are released.
intelligent research vessel launched
"haitun 1," china's first digital twin intelligent research and test ship, started its maiden voyage on june 30. developed by the harbin engineering university, it is equipped with the latest technologies such as a 360-degree panoramic infrared vision system, and will lay the foundation for building a mobile maritime lab.
new bullet train model completes initial performance verification test
the cr450, a bullet train that can run at a speed of 453 km per hour, completed its initial performance verification test in fujian in southeast china on june 29. the train is a new fuxing model that is safer, greener and smarter, with higher energy efficiency.
