Shanghai to New York in two hours? China joins the hypersonic flight race

Shanghai to New York in just a couple of hours? Not a problem when you fly in a hypersonic space plane. Beijing-based Space Transportation (aka Lingkong Tianxing in China) aims to make this prospect a reality with the development of a passenger-carrying vehicle that can hurtle across the skies at one mile per second -- over twice the speed of Concorde. The firm has released an animated publicity