NASA’s Mach 9.6 X-43A Hypersonic Scramjet is still an engineering marvel
Just a couple of decades ago, aviation had certain rules. If you wanted to fly fast through the atmosphere, you used a jet engine. The champion was the SR-71 Blackbird, developed by Lockheed Martin, but it achieved the highest result at Mach 3. If you wanted to go faster, you needed a rocket. But it … Read more