Ten Great Inventions of China

China's top ten inventions include kites, paper money, seismograph, iron and steel smelting, alcoholic drinks, iron plough, movable type printing, toilet paper, rudder and compass.

1, Kite: Kite was invented in the 4th century BC, with the eagle as the reference object at first, and then it experienced several centuries of improvement. Around 500 AD, hang gliders came into use.

2. Paper money: In 600-900 AD, China began to use paper money, 500 years earlier than Europe.

3. Seismograph: China invented the seismograph as early as the beginning of the 2nd century, which was mainly used to detect earthquakes.

4. iron and steel smelting: Iron smelting appeared in the early 5th century BC, and steel appeared around 380 AD.

5. Alcoholic beverages: The pottery unearthed in China 9,000 years ago proved that there was alcohol at that time. By the 3rd century, wine had become one of their biggest financial revenues.

6. Iron Plow: The appearance of wide-plow iron plow is an important symbol of the development of ancient agriculture in China. It was not until the17th century that this technology appeared in Britain and the Netherlands. The emergence of this agricultural technology has led to a large amount of food, which is considered by many experts as a prerequisite for the industrial revolution.

7. Movable type printing: Bi Sheng invented reusable printing technology, which changed the process of making books.

8. Toilet paper: It was used by aristocrats in China in the 6th century, earlier than other places in the world 1300 years ago.

9. Rudder: China began to use it in 1 century BC, while Europe did not appear until 1 180.

10, compass: Invented in the 4th century, it was originally used to measure geomantic omen, and it was made of natural magnets.