Tangram (Difficult to trace)
The Tangram, a dissection puzzle originating from China, ...
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Mechanical clock (Seng Yihang)
The mechanical clock, a remarkable feat of engineering, e...
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Armillary sphere (Zhang Heng)
The armillary sphere, a fascinating instrument attributed...
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Astronomical instruments (Guo Shoujing)
Guo Shoujing, a prominent Chinese astronomer of the Yuan ...
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Shi's Star Classic (Shi Shen)
Shi's Star Classic, known in Chinese as “Shi Shen” or “Sh...
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Huangji calendar (Liu Zhao)
The Huangji Calendar, also known as Liu Zhao, represents ...
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Dayan calendar (Seng Yihang)
The Dayan Calendar, also known as the Seng Yihang, is an ...
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Tongtian calendar (Yang Zhongfu)
The Tongtian calendar, crafted by the Chinese scholar Yan...
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Equatorial instrument (Luo Xiaogong)
The Equatorial instrument, a groundbreaking invention att...
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Astronomical instrument (Su Song)
The 11th-century polymath Su Song made significant contri...
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Spinning lantern (Shen Qi Niang)
The "Spinning Lantern" (Shen Qi Niang) is a traditional C...
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Six-body cartography (Pei Xiu)
Pei Xiu, a prominent figure in the history of cartography...
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Dragon bone waterwheel (Ma Jun)
The Dragon Bone Waterwheel, invented during the 3rd centu...
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Open-shoulder arch bridge (Li Chun)
The Open-shoulder arch bridge, often referenced as the "L...
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Incense burner in the shape of a sleeping mat (Ding Huan)
The Incense burner, designed in the shape of a sleeping m...
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Four-variable method (Zhu Shijie)
The Four-variable method, a concept attributed to the ren...
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Cutting diagram technique (Liu Wei)
The Cutting Diagram Technique, known as Liu Wei, is a spe...
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π (Pi) accurate value (Zu Chongzhi)
The mathematical constant π (Pi) is an essential element ...
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