Gunpowder is that kind of invention that is perhaps the closest thing to "not bound by time". All it takes are simply the right ingredients happening to mix in an experiment, or just a spot, that then explodes in your face. And pretty much the only way to find it is through an accident like that. It is quite safe be sure that before it finally sticked into Chinese records, it had been encountered by the Chinese at least several times, but its accidental nature should've tended to discourage people away. And it's also safe to ponder that other places had also experienced the encounter as well.
Last edited by Ridwan; 2012-09-09 at 09:31.
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