Modern Engineering Marvels on MSN

Mach 9.6 still matters: X-43A proved hypersonic flight can’t be simulated away

The set of problems that have never had a “just run it in the tunnel” has never had a hypersonics set. What X-43A has brought ...
Billings Gazette

NASA 'scramjet' launched on Mach 10 flight attempt off California

LOS ANGELES (AP) - A tiny unmanned NASA "scramjet" soared over the Pacific Ocean Tuesday to demonstrate a radical new engine technology by attempting to fly at a record speed of about 7,000 mph, ...