How to look at the technology and culture of ancient China

I. Porcelain. 7,800 years ago, the ancestors in the Weishui and Jingshui valleys of northwest China were able to burn red and gray ceramic utensils of various shapes.

Two, solar energy utilization. more than 3,000 years ago, China has the development and utilization of solar energy technology.

Three, casting. China in ancient times has been utilized in mud irrigation, iron irrigation, wax irrigation and other three major casting methods and technologies?

Four, the discovery of oxygen. In China's ancient alchemy, has discovered oxygen.

Fifth, physical laboratory. In our country in ancient times has sound vibration laboratory, the world's first physical laboratory.

Six, light source. As early as 250 AD, China has been able to manufacture can change and adjust the brightness of the copper lamp.

seven, thermometer. The balance thermometer invented by the Western Han Dynasty was more than 1,600 years earlier than that of Europe.

VIII, gyroscope. As early as the Eastern Han Dynasty, the gyroscope is used for navigation, more than 1300 years earlier than the European.

Nine, clocks and watches. Zhang Heng invented for the Eastern Han Dynasty, the earliest in the world.

Ten, drilling technology. 11th century of the Northern Song Dynasty, the creation of drilling up to more than 200 meters of deep hole drilling technology.

Xi, the discovery and naming of oil. In the Eastern Han Dynasty, China's Yanhe River Basin on the discovery of oil, Ban Gu for the name, and later by the Northern Song Shen Kuo again recognized.

XII, geomagnetism. Shen Kuo of the Northern Song Dynasty discovered that geomagnetism is to the south, more than 400 years earlier than Europe.

Thirteen, thermal machinery. The earliest thermal machinery is the Northern Song Dynasty has appeared before the "horse lamp".

XIV, currency. China is the world's first paper money issued by the country, began in Sichuan in the Northern Song Dynasty.

Fifteen, rocket technology. Originating in the Song Dynasty, the "Drill Cannon" is the forerunner of contemporary rocket technology.

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The Shang Dynasty had the world's earliest record of solar and lunar eclipses.

An astronomer from the state of Lu in the Spring and Autumn left the world's earliest record of Halley's comet.

The "Gan Shi Xing Jing" by Gan De and Shi Shen of the Warring States period is the world's earliest astronomical work.

Written before the 1st century B.C., the Zhou Thigh Book of Arithmetic formulated the Pythagorean Theorem 500 years before the West.

Some of the contents of the Nine Chapters of Arithmetic of the Western Han Dynasty were the most advanced in the world.

Paper-making was first invented in the world.

Zhang Heng's geodesic instrument was the world's first instrument to determine the orientation of earthquakes.

Hua Tuo was the first in the world to use general anesthesia.

Zu Chongzhi was the first person in the world to determine pi to seven digits after the decimal point.

The Zhaozhou Bridge is the oldest surviving stone arch bridge in the world.

The volume of the Diamond Sutra is the earliest surviving engraved print in the world with an exact date.

Shin Yung and his entourage measured the meridian for the first time in the world.

A medical school with finer divisions was founded by Emperor Taizong of Tang, 200 years before the West.

The Tang Materia Medica was the first pharmacopoeia in the world to be compiled and promulgated by a state.

Bisheng invented movable-type printing.

The compass, used for navigation in the Northern Song Dynasty.

Gunpowder and gunpowder weapons were invented during the Tang and Song dynasties.

Shen Kuo's "Twelve Air Calendar" predates England by more than 800 years.

Guo Shoujing's "Timing Calendar" predates the establishment of the current Gregorian calendar by 300 years.

And so on.

The science and technology culture of ancient China is the product of the long-term production practice of the Chinese working people, and its contribution to the world is undeniable, only due to the influence of the closed-door policy of the Ming and Qing dynasties, it lagged behind the development of science and technology in the world, and ultimately led to the powerlessness of resistance to aggression.