The process of making silk weaving is still the same today. Known as sericulture, the cocoons are placed in hot water to release the silk filaments and kill the silkworm larvae. The filaments are combined to form yarn, wound and finally dried.Silk was considered China’s most valuable trade commodity, resulting in the famous Silk Road trading route.
Sketch by Leonardo da Vinci, c. 1500A crossbow is a weapon consisting of a bow mounted on a stock that shoots projectiles, often called bolts or quarrels. The medieval crossbow was called by many names, most of which derived from the word ballista, a torsion engine resembling a crossbow in appearance.[Historically, crossbows played a significant role in the warfare of East Asia since the 4th century B.C., as well as Europe and the Mediterranean. Today, they are used primarily for target shooting and hunting.[
The earliest Chinese kites were made of wood and called muyuan (wooden kites); they date as far back as the Warring States Period (475-221 B.C.) at least two millennia ago. After the invention of paper, kites began to be made of this new material called zhiyuan (paper kites).Instead of being playthings, early kites were used for military purposes. Historical records say they were large in size; some were powerful enough to carry men up in the air to observe enemy movements, and others were used to scatter propaganda leaflets over hostile forces. According to the Records of Strange Events (Du Yi Zhi), an ancient work, when Xiao Yan, Emperor Wudi (464-549) of the Liang Dynasty, was surrounded at Taicheng, Nanjing by the rebel troops under Hou Jing, it was by means of a kite that he sent out an S.O.S. message for outside help.
An umbrella or parasol (also called a brolly, rainshade, sunshade, gamp or bumbershoot) is a canopy designed to protect against rain or sunlight. The term parasol usually refers to an item designed to protect from the sun; umbrella refers to a device more suited to protect from rain. Often the difference is the material; some parasols are not waterproof. Parasols are often meant to be fixed to one point and often used with patio tables or other outdoor furniture. Umbrellas are almost exclusively hand-held portable devices; however, parasols can also be hand-held.
Chinese water wheel history almost certainly has a separate origin. Early waterwheels were invariably horizontal waterwheels.By at least the 1st century AD, the Chinese of the Eastern Han Dynasty began to use waterwheels to crush grain in mills and to power the piston-bellows in forging iron ore into cast iron.
We us paper in our everyday lives to comunicate. In 105 A.D. Cai Lun, a eunuch during the Eastern Han Dynasty, invented paper from worn fishnet, bark and cloth. These raw materials could be easily found at a much lower cost so large quantities of paper could be produced.
The process of making India ink was known in China as far back as the middle of the 3rd millennium BC, during Neolithic China. India ink was first invented in China, although the source of materials to make the carbon pigment in India ink was later often traded from India, thus the term India ink got coined. The traditional Chinese method of making the ink was to grind a mixture of hide glue, carbon black, lampblack, and bone black pigment with a pestle and mortar before pouring it into a ceramic dish where it could dry] In order to use the dry mixture, a wet brush would be applied until it reliquified. The manufacture of India ink was well-established by the Cao Wei Dynasty (220–265 AD). Historically the ink used in China were in the form of ink sticks made of lampblack and animal glue.
A sundial is an instrument that measures time by the position of the sun. Called "rigui" in Chinese, a sundial is a timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial in ancient China. A typical sundial is made up of a bronze pointer and a stone dial.
Early matches were made with sulfur.(but over years it has been modified) If an emergency at night occurs it may take some time to make a light to light a lamp. But an ingenious man devised the system of impregnating little sticks of pinewood with sulphur and storing them ready for use. At the slightest touch of fire they burst into flame. One gets a little flame like an ear of corn. This marvellous thing was formerly called a 'light-bringing slave', but afterwards when it became an article of commerce its name was changed to 'fire inch-stick'.
It is said that a cook in ancient china found that a mixture of sulfur, saltpeter, and charcoal was very flammable and would explode if enclosed in a small space. The first application of this technology was for entertainment.The Chinese are still the leader in the production of fireworks. Once the recipe for black powder was perfected, they found that it was easily used as rocket fuel, and they made hand carved wooden rockets in the shape of a dragon, in the sixth century. These rockets shot rocket powered arrows from their mouth, and were used against the Mongol invaders of 1279. The principle behind these rockets is still used in rocket powered fireworks today.