The Chinese invented an early form of gunpowder in 300 BC.
The oldest piece of paper that still exsists was found in a Chinese tomb
built around 86 BC.
Around 800 BC, the Chinese discovered the force of magnetism, and around
700 AD, they created the first needle compass
The Chinese were great astronomers and around 1,500 BC, they had a
calender that accuratly predicted the four seasons and was based on a year that was 365.25
days long.
Starting in 1,350 BC, they kept records of eclipses, novas, sunsports,
and comets.
They had an advanced system of math that included an understanding of
algebra and geometry.
The Ancient Chinese studied human body and by 100 AD, understood that
blood circulated through the body, and by 200 AD, had produced an early type of anesthesia
for people who needed surgery.
More than 4000 years ago, the ancient Chinese began to develop the
healing arts of acupuncture and moxa.
The ancient Chinese were great engineers. One of their greatest
accomplishments was figuring out that an arch bridge could be supported with only a
segment of an arch. The first segmental arch bridge was built in 610, and it is still in
use today.