#Mach5

Science & Technology | Science & Space

Reaction Engines’ Mach 5 engine is just the tip of the new aerospace boom | TechCrunch

Imagine a hypersonic passenger aircraft that would cut the journey time between London and New York to around two hours. At Mach 5, or five times the speed of sound, the aircraft would complete a trip across the Atlantic in around 120 minutes. Mach 5 is m

Science & Technology | Cool Stuff

US Military's Hypersonic Jet Could Fly 5 Times the Speed of Sound

The U.S. military is reportedly developing a hypersonic jet plane that could soar at up to five times the speed of sound.