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Why Did Early Firearms Take Centuries to Replace Bows and Swords? - The Slow Circulation of Gunpowder Across Eurasia | Sleepy Facts About History

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The story of gunpowder is usually told as a simple narrative of sudden invention and rapid conquest, but the historical record reveals a much slower, messier, and more fascinating process. This episode explores how knowledge of black powder moved across Eurasia not as a finished weapon, but as incomplete information requiring centuries of dangerous, incremental work to become usable. From the early fire lances documented in the 1044 Chinese military manual, the Wujing Zongyao, to the…

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