Interesting Engineering on MSN

X-59: US supersonic aircraft hits Mach 1.2 at 49,000 feet in 25th test flight

NASA’s X-59 experimental supersonic aircraft has successfully completed 25 test flights. It reached Mach ...
Hosted on MSN

NASA’s X-43D was designed to fly at Mach 15 — engineers warned the aircraft would have literally melted in flight

NASA's X-43D was designed to fly at speeds approaching Mach 15 — roughly 11,000 miles per hour — using a hydrogen-fueled scramjet to sustain just 30 seconds of powered flight before gliding to ...