Reading Time: < 1 minutes So, you’re a businessman in London with a crucial dinner in Tokyo just hours away. Even allowing for the nine-hour time difference, you won’t be needing to reset your morning alarm as you’ll be on the ground and knocking back the sake just two hours after take-off, thanks to hypersonic flight. At Mach 6 (4567mph),…… Hypersonic Plane Set to Carry Passengers from NY to London in Under 1-Hour at Mach 6 weiterlesen