The aviation industry stands on the precipice of its most dramatic transformation since the jet age. More than two decades after the legendary SR-71 Blackbird took its final flight, a new generation of aircraft is emerging that could make the iconic spy plane look slow by comparison. At the forefront of this revolution is hydrogen-powered hypersonic propulsion technology capable of reaching speeds twelve times faster than sound. What Makes Hydrogen the Fuel of Hypersonic Flig
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