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The Chinese developed a new type of canal lock. They used them to connect the rivers. Before they had the locks they had to drag there boats drag their boats up stone ramps to reach water at a higher level. MILITARY TECHNOLOGY
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Chinese alchemists accidentally discovers when they were working with saltpeter trying to find a cure for death. MILITARY TECHNOLOGY
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Game cards were invented in China. Printers used woodblock printing to make the cards from thick paper. EVERYDAY OBJECTS
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A single bill would have many colors. Paper money is the most common form of currency in the world today.
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The Chinese found ways to improve bridges. The new bridges had arches that were half circles. They were also broader and smaller.EXPLORATION AND TRAVEL
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Early flamethrowers contained gunpowder mixed with oil. The Chinese used them to spray enemies with a stream of fire. MILITARY TECHNOLOGY
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The first Chinese compasses were pieces of a magnetic mineral
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The new clock was more accurate than earlier timekeeping devices, such as sundials and hourglasses. The Chinese devised a wheel that made one complete turn every 24 hours. EVERYDAY OBJECTS
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dynasty. Rockets were powered by a black powder made of saltpeter, charcoal, and sulfur.first rockets were used only in fireworks. then the Chinese used the as weapons.
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