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Porcelain is made using quartz and feldspar. The Chinese then baked it in a kiln and made beautiful designs.
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First, the Chinese used hemp, then tree bark, then rags to make paper. For more than 500 years, the Chinese were the only ones who knew how to make paper.
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Like game cards, printers used wood blocks to print on the paper money. The bills would have many colours on them.
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While trying to create a concoction for immortality, alchemists discovered that saltpeter could be made into an explosive powder to be used in weapons.
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Printers used wood-blocking to print on thick paper, and famous artists painted on the back of the cards.
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Inoculation is exposing people to a disease-carrying substance in a small dosage to help their body recognize how to fight the actual disease. This way of thinking originated with smallpox, and it has since led to the development of many vaccines like the smallpox or the flu.
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The Chinese used water to spin a wheel over a course of 24 hours. Every quarter hour, drums would beat, and every hour, bells would ring.
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The Chinese used these shells to frighten their enemies, so they could storm in with smaller grenades and do more damage.
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During the Song Dynasty, rockets were powered by saltpeter, charcoal, and sulfur. First, the rockets were only used as fireworks, but they soon became weapons.
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Tea farmers grew small trees and cultivated them until harvest. Then they hand-picked the new leaves, cut the tree, and repeated the cycle.
