South-pointing chariot
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The south-pointing chariot was an ancient Chinese two-wheeled vehicle that carried a movable pointer that indicated south, no matter how the chariot turned. Usually, the pointer took the form of a dol
Exhibit in the Science Museum in London, England. This conjectural model chariot incorporates a differential gear.
An image of a south-pointing chariot from Sancai Tuhui (first published 1609)
Children's instructive toy chariot in Chinese display at Expo 2005 in Japan
An illustration of a differential between the drive shaft (at bottom right) and driving wheels of an automobile
Ancient Chinese scientists and engineers made significant scientific innovations, findings and technological advances across various scientific disciplines including the natural sciences, engineering,
Instructions for making astronomical instruments from the time of the Qing dynasty.
Remains of a Chinese crossbow, 2nd century BC
The intricate frontispiece of the Diamond Sutra from Tang dynasty China, 868 AD (British Library)
A 1726 illustration of Haidao Suanjing, written by Liu Hui in the 3rd century