Suddenly, a loud bang echoed near the city wall. A group of alchemists were testing a new mixture of saltpeter, sulfur, and charcoal. They called it "fire-drug" or . For now, it was mostly used for colorful fireworks to scare away evil spirits, but Li Wei wondered if it would one day change the world.
Li Wei knew that everyone in the Middle Kingdom had a specific place, a concept taught by the great philosopher . srednevekovyi kitai referat 6 klass
: He saw a group of men in long silk robes. These were the scholar-officials who had passed difficult exams to help run the government. Suddenly, a loud bang echoed near the city wall
: At the top was the "Son of Heaven," who lived far away in a golden palace, ruling with the Mandate of Heaven . For now, it was mostly used for colorful
Ancient China for Kids: Inventions and Technology - Ducksters