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By the first centery the Chinese had invented a pottery called porcelin. Porcelin is made by combining clay with the minerals quartz and feldstar.
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The chinese first made steel, a very useful metal, before 200 B.C.E. Steel is made from iron, but is less but is less brittle then iron so it is easier to bend into shapes
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The Chinese invented the art of papermaking by the second century C.E. The earlest Chinese paper was probably made from hemp and then the bark of a Mulberry tree. Then the Chinese later used rags.
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Chinese made boat construction to make traveling on a boat safer which started in the 2nd centery
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A compass is used to tell what direction is south and it was made in the early 3rd centry.
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A Chinese engineer invented the segmental arched bridge. It was stronger and used less material then other bridges. Thw bridges were broader and flatter.
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Alcomist acadentaily created gun powder when they were working with salt peter tryig to come up with a substnace that would make people live forever
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By the 11th centery the Chinese had envented a movable type. Movable type constists of seperate blocks of pictures. This was used for communicaion.
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Rocket technology was developed in China during the song dynasty. Rockets were powered by a black powder made from sulfer charcoal and saltpeter.
