HYPERSONIC BARRIERS
Dec 22, 2020
2 minutes
BY CARL VON WODTKE
n March 2006 maverick aerospace engineer Burt Rutan told magazine: “In a relatively short period of time—maybe 15 to 20 years—I believe we’re going to fly hypersonic…. We’ll bounce across the top of the atmosphere at Mach 5-6 or do suborbital lobs flying weightless. Travel time may be reduced to as little as 60
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