| 8-85 |
Decimal System |
The base-10 positional notation system invented in ancient China. |
| 8-86 |
Printing |
Woodblock and movable type, predating the West by centuries. |
| 8-87 |
Seismoscope |
The world's first device to detect distant earthquakes. |
| 8-88 |
Compass |
First of the Four Great Inventions, used for navigation. |
| 8-89 |
Armillary Sphere |
Armillary Sphere: Ancient astronomical instrument for celestial coordinates. |
| 8-90 |
Gunpowder |
Discovered by alchemists; revolutionized warfare and fireworks. |
| 8-91 |
Abacus |
The manual calculator for rapid complex arithmetic. |
| 8-92 |
Paper-making |
The critical vehicle for the preservation of human knowledge. |
| 8-93 |
Nine Chapters |
The seminal ancient Chinese mathematical text that laid the theoretical foundation of Eastern mathematics. |
| 8-94 |
Traditional Medicine |
A holistic system involving herbs, acupuncture, and Qi |
| 8-95 |
Five Grains |
The five staple crops (rice, broomcorn, foxtail millet, wheat, beans); the bedrock of ancient Chinese agriculture. |
| 8-96 |
Sericulture |
The scientific process of silk production from silkworms. |
