China's hypersonic aircraft would fly from Beijing to New York in two hours

The double-wing plane just aced wind tunnel tests at speeds of nearly 5,600 miles per hour. I Plane The hypersonic I Plane's biplane configuration is unique even for hypersonic craft. China Science Press A team of researchers at the Chinese Academy of Sciences have tested a hypersonic plane in a wind tunnel to speeds of Mach 7, or 5,600 miles per hour, according a paper published (PDF) in the Chinese journal Physics, Mechanics and Astronomy.