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There are a few reasons why you aren’t flying across the country in hypersonic aircraft, but the simplest of them is heat: when you travel at speeds over Mach 5, the ultra-high temperatures (around 3,600F to 5,400F) strip layers from metal. How do you protect a vehicle when even the toughest ceramic tiles can’t handle […]
DARPA The Pentagon’s research and development shop is moving one step closer toward building a hypersonic space plane that could shuttle satellites or people into space in record time. In an announcement on Wednesday, DARPA said that Boeing, which was selected for phase one of the project, would keep working on its advanced design for the […]
