Hypersonic jet engine to run 25 times the speed of sound

 The flight time between London and New York could cut to under an hour The hypersonic jet which travels across the Atlantic has moved a step closer after scientists discovered a way to stop engines from melting when they travel at  25 times the speed of sound. Specialists at Reaction Engines says they have created … Continue reading Hypersonic jet engine to run 25 times the speed of sound