In the Song Dynasty, the authorities realized the importance of gunpowder and began to develop it vigorously. You can tie a powder keg to the arrow, increase the firing speed and range of the bow and arrow, and start to advocate popularization. After more than 100 years of war, the people of China have constantly summed up their experience and improved their firearms. In the Southern Song Dynasty, someone invented a kind of gunpowder, which was packed in a bamboo tube and could spray flames and burn the enemy's weapons. In the Ming dynasty, in order to meet the needs of war, rulers began to introduce firearms to the west. At this time, the well-known red cannon came to China. Compared with the traditional cannon independently developed by us in the Ming Dynasty, the red cannon does have obvious advantages. It has a long range, a larger barrel diameter, and can hold more gunpowder, and its accuracy is very high. So this time, China began to imitate and promote the red cannon. Since modern times, western countries have knocked on our doors with guns, making us realize that nothing is static. Although we invented gunpowder, we can't sleep by credit. Scientific and technological progress is like sailing against the current. Only by continuous innovation can we always be in the leading position. If we fall behind, we will be defeated. A strong country must first strengthen its army. To our relief, after several generations of unremitting efforts, today, China's weapons.
Gunpowder, Chinese name, is a kind of black or brown explosive, which is made of potassium nitrate, charcoal and sulfur by mechanical mixing. At first, it was made into powder, and later it was generally made into particles of different sizes for different purposes. Smokeless powder was used as the only military propellant until it was adopted.