nasa

1 of 2; - Mike Arnold was instrumental in NASA's 1996 Pegasus Hypersonic Experiment (PHYSX) which at that time was estimated to fly up to Mach 12. The purpose was to explore the boundary between laminar flow and turbulent flow at higher Mach numbers. I got to go with him for a couple of days...

In 1961, to win the competition of stepping on the moon, president Kennedy launched the Project Apollo to launch some astronauts to the moon. After many years, many technologies developed from the Project Apollo have been greatly enriched our lives. As many technologies have been widely used in...