Researchers from the Chinese Academy of Sciences’ Fujian Institute of Research on the Structure of Matter, found an ultra-sensitive magnetic detector could pick up traces of the most advanced submarine from long distances away. The result “provides a new solution for the detection and tracking of submarines”, according to the paper published on August 1 by the Chinese Journal of Ship Research. The journal is run by the China Ship Scientific Research Centre, which has a long and respected history of cutting-edge developments in ship and ocean engineering. The researchers calculated that the extremely low frequency (ELF) signal produced by a submarine’s bubbles could be stronger than the sensitivities of advanced magnetic anomaly detectors by three to six orders of magnitude. Related: Aukus Allies Unveil Plan to Supply Australia With Nuclear-Powered Submarines and Nearly 40% of US Attack Submarines Are Out of Commission for Repairs and UK and Australia Urge Washington to Ease Secrecy Rules in Security Pact
- Date Posted:
- August 14, 2023
China accounted for 13.3% of U.S. goods imports during the first six months of this year, below a peak of 21.6% for all of 2017. The current level is the lowest since 12.1% for the year in 2003, two years after China’s accession to the WTO. Starting in early 2019, China’s share of U.S. imports fell below the total share from a basket of 25 other Asian nations including India, Thailand, and Vietnam. That group of nations accounted for 24.6% of U.S. imports in the 12 months ending in June, compared with 14.9% for China, according to census data. When the dollar values of exports and imports are combined, Mexico is now the U.S.’s No. 1 trading partner, followed by Canada, pushing China to third place.