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There was a problem because the Chinese had to drag their boats up stone ramps for water to reach at a higher level. They solved it by developing a new type of lock. EXPLORATION AND TRAVEL
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This compass is a magnetized needle that aligns itself with Earth’s magnetic poles so that one end points north and the other south. the Chinese were using this type of compass to help them navigate on long voyages. EXPLORATION AND TRAVEL.
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The earliest Chinese steel was made from cast iron. The Chinese were the first to learn how to make cast iron by melting and molding iron ore. Later they learned that blowing air into molten, or melted, cast iron causes a chemical reaction that creates steel. Steel is a great deal stronger than iron. INDUSTRY
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Another Chinese invention is a type of fine pottery called porcelain.Porcelain is made by combining clay with the minerals quartz and feldspar. The mixture is baked in a kiln, or pottery oven, at very high temperatures. The resulting pottery is white, hard, and waterproof. However, light can pass through it, so that despite its
sturdiness it looks quite delicate and beautiful. INDUSTRY -
The Chinese invented the art of paper making by the second century. C.E. The earliest Chinese paper was probably made from hemp and then the bark of the mulberry tree. INDUSTRY.
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Paddle boats were easy to maneuver and allow Chinese to travel faster on rivers and lakes. An innovation of a vessel called a paddle wheel boat made this type of travel must faster. And powered by Oxen. EXPLORATION AND TRAVEL
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Discovered accidentally by alchemists who were working with a substance called saltpeter. They were looking for something that would allow them to live forever. Military Technology
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Rocket technology was developed in China during the Song dynasty. Rockets were powered by a black powder made of saltpeter, charcoal, and sulfur. At first, rockets were used only in fireworks. Later, the Chinese used them as weapons. MILITARY TECHNOLOGY
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During the Song and Mongol periods, the Chinese developed powerful weapons. Around the same time, they developed weapons much like today’s rifles and cannons. Eventually, weapons like crossbows, swords, and spears gave way to guns and cannons. MILITARY TECHNOLOGY
