The development of a single-stage-to-orbit launch capability has been the Holy Grail to many since the dawn of the space age. Yet achieving orbit in one stage with conventional rocket power is completely impractical and, despite decades of research into alternate concepts, no workable solutions have been found. It is no surprise, then, that for years the space community has been highly skeptical of claims from a British-based developer, Reaction Engines, that it had discovered an answer ...


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