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Earliest known written formula for gunpowder, from the Wujing Zongyao of 1044 AD.
Earliest known written formula for gunpowder, from the Wujing Zongyao of 1044 AD.
A fire arrow using a bag of gunpowder as incendiary. As depicted in the Huolongjing (c. 1390).
A fire arrow using a bag of gunpowder as incendiary. As depicted in the Huolongjing (c. 1390).
Depiction of fire arrows known as "divine engine arrows" (shen ji jian 神機箭) from the Wubei Zhi (1621).
Depiction of fire arrows known as "divine engine arrows" (shen ji jian 神機箭) from the Wubei Zhi (1621).
The 'divine flying fire crow' (shen huo fei ya), an aerodynamic winged rocket bomb from the Huolongjing
The 'divine flying fire crow' (shen huo fei ya), an aerodynamic winged rocket bomb from the Huolongjing
Hemp wrapping paper, China, circa 100 BC
Hemp wrapping paper, China, circa 100 BC
Diagram of a Ming dynasty mariner's compass
Diagram of a Ming dynasty mariner's compass
Hand cannon from the Yuan dynasty, circa 1300s (decade)
Hand cannon from the Yuan dynasty, circa 1300s (decade)
The intricate frontispiece of the Diamond Sutra from Tang dynasty China, 868 (British Museum)
The intricate frontispiece of the Diamond Sutra from Tang dynasty China, 868 (British Museum)