Rockets being passé, China is working on using an electromagnetic railgun to launch crewed spacecraft the size of a Boeing 737, weighing 50 tonnes, into orbit. This remarkably ambitious project is even more ambitious than it seems at first glance.

  • Corkyskog
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    9 个月前

    It just seems like an engineering improbability to me with the tolerances required. 5+ miles, I guess you could bury part of it to reduce things like wind, but still.