The XB-1 demonstrator has broken the speed of sound, hitting Mach 1.1. It is the first civil supersonic aircraft in US history and the first to do so since Concorde was retired in 2003. That was an ...
Commercial-type aircraft reaches supersonic speed for the first time since Concorde 20 years ago. Addeda day ago Karen Hao, the first journalist to profile Open AI, discusses the new DeepSeek AI ...