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The compass in the Four Great Inventions was formerly the compass of ancient China. It is a kind of direction-indicating tool, which is widely used in navigation, field exploration and other fields. In ancient times, it had a profound influence on trade, war and cultural exchange.
North corresponds to 0°, so east is 90°, south is 180° and west is 270°. The history of the compass started more than 2000 years ago during the Han dynasty (202 BC – 220 AD). The first compasses were made of lodestone, a naturally magnetized stone of iron, in Han dynasty China. [1][2] It was called the "South Pointing Fish" and was used ...
Four Great Inventions. The intricate frontispiece of the Diamond Sutra from Tang dynasty China, 868 AD (British Library) The "Four Great Inventions" (simplified Chinese: 四大发明; traditional Chinese: 四大發明; pinyin: sì dà fāmíng) are the compass, gunpowder, papermaking and printing. Paper and printing were developed first.
This sub-section is about paper making; for the writing material first used in ancient Egypt, see papyrus.. Paper: Although it is recorded that the Han dynasty (202 BC – AD 220) court eunuch Cai Lun (50 AD – AD 121) invented the pulp papermaking process and established the use of new materials used in making paper, ancient padding and wrapping paper artifacts dating from the 2nd century BC ...
Ma Jun馬鈞. Ma Jun ( fl. 220–265), [1] courtesy name Deheng, was a Chinese mechanical engineer, inventor, and politician who lived in the state of Cao Wei during the Three Kingdoms period of China. His most notable invention was that of the south-pointing chariot, a directional compass vehicle which actually had no magnetic function, but ...
Of those who originated China's Four Great Inventions of the ancient world—the compass, gunpowder, papermaking and printing—only the inventor of papermaking, Cai Lun, is known. [81] Additionally, in comparison to other Chinese inventions such as the writing brush and ink, the development of paper is the best documented in literary sources. [6]