Want to get from New York to Perth in under 4 hours, or maybe just head to outer space on a lark? Reaction Engines’ “Skylon” mach 5 spaceplane might be your chariot — or not. Its scheme of ingesting oxygen from the atmosphere instead of stowing it like a 50-year old modern multi-stage rocket sounds good, but the project’s fate may hang on critical new tests
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Space travel coming to an airport near you? Maybe, if Skylon keeps its cool
