In 221 B.C., Qin destroyed the last of the six states, Qi, unified the six states, “unified the chariots and the books”, and established a great unified empire in Chinese history. So how was Qin Shi Huang able to remove all his powerful enemies in the battle of the seven kingdoms? Three three treasures were found in the terracotta warriors, which may explain why Qin became rich and powerful.
The first one is the bronze sword that everyone knows, a batch of bronze swords unearthed in the Terracotta Warriors and Horses of the First Qin Emperor, the length of the average in 80 centimeters, later experts found that the unearthed bronze sword structure is dense, the sword body is bright and smooth, the edge grinding pattern is delicate, the texture comes and goes without staggering, although these bronze swords buried in the ground for more than 2,000 years, but when unearthed still shiny as new, sharp. Experts later found a 10-micron-thick layer of chromium salt compound on the surface of the bronze sword. This discovery was a world sensation, because this “chromium salt oxidation” treatment, is a recent process, Germany was first discovered in 1937, but what is surprising is that as early as the Spring and Autumn and Warring States period, the Chinese have mastered this advanced technology.
The second piece is the crossbow, speaking of crossbows we are certainly not unfamiliar, in the historical drama we will often see its figure. Qin crossbows are made of mulberry wood, and the wooden arms of Qin crossbows are generally 60-75 centimeters long and 4-5 centimeters wide. Because the whole bow stem is wrapped by dense leather strips. This not only enhanced the structural strength of the bow stem, but also made the leather strips extremely tough and elastic. This precise design greatly improved the reliability of projection, greatly reduced the misfire rate, and reduced the vibration when firing, which could significantly improve the hit rate of shooting. Experts later studied the crossbows in the Terracotta Warriors and Horses and found that these crossbows not only shot farther than bows and arrows and had a stronger killing power, but also had a higher hit rate. The crossbow pictured in the Terracotta Army had a range of 300 meters, while similar weapons were only designed in Europe in the late 19th century, meaning that the Chinese Qin crossbow was more than 2,000 years older than Europe.
Crossbow
The third piece is the arrowhead. A large number of Mitsubishi-shaped arrows were unearthed in the Terracotta Warriors, and experts found that such arrows were not only able to pierce the enemy’s armor easily, but were also manufactured with a sophisticated process, as their three curved surfaces were basically identical, with a margin of error within 0.01 centimeters, a manufacturing process that was simply breathtaking when placed in the Qin Dynasty more than 2,000 years ago.
Arrowhead
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