The pointing needle back then was a spoon-shaped device made of the same mineral, featuring a handle that would always indicate south.
In the 8th century, Chinese inventors came up with a magnetized needle that replaced the spoon-shaped lodestones.
This is one of the seven famous wonders of the world, representing a series of fortifications made initially of stone, earth and later of bricks.
It was erected in 221 BC with the goal of protecting the northern borders of the country from different nomadic groups that invaded the Chinese Empire.
In fact noodles have been popular in China for over 4,000 years (according to the latest archeological data).
The oldest example of pasta (in the picture) was discovered in Qinghai province.
China was the land of numerous inventions that played an important role not only for the Chinese but for the rest of the world as well.
The Great Wall is the world's largest construction and the only man-made structure that can be seen from space.A Chinese legend says that the first silk thread was created when a cocoon accidentally fell into the hot tea of Si-Ling-Chi, a Chinese Empress and the wife of Emperor Huang-ti. she managed to come up with the way of using silk in weaving.She found that the threads of the cocoon were uncoiling and decided later to experiment with silkworms. Silk turned out to be very important to the economy of China and people kept its secret for thousands of years and the Great Wall of China helped them to do so.Chinese were able to develop technologies that required knowledge in numerous fields including mechanics, hydraulics, mathematics, horology, astronomy, agriculture, engineering, craftsmanship, nautics, and warfare.Find out which inventions created in ancient China are considered to be some of the most important.A very important aspect of the wall was communication between the army units.To be able to call for reinforcements and signal of enemy movements, it was decided to build signal towers.The Silk Road helped the Chinese to trade their valuable silk fabric to other nations.Japan was able to obtain the secrets of raising silkworms and silk manufacturing in the 3rd century.They were the ones to bring the food to Sicily when they invaded the region back in the 8th century.When the early European explorers reach China they also learned about the nutritious value of noodles and decided to bring the recipe to European cooks.