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The earliest Chinese paper was probably made from hemp and then the bark of the mulberry tree. Later they used rags. Papermaking became an important industry in China.
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Porcelain is a type of fine pottery that historians think could be produced as early as the 1st Century. It is made by combining clay with the minerals quartz and feldspar.
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The first compasses were pieces of a magnetic mineral called lodestone. The lodestone was eventually with a steel needle.
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The paddelwheel-powered boat was powered by Oxygen that aren't very easy to direct.People walked on a treadmill to turn the paddlewheel, which in turn moved through the water, moving the boat forward.
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The Arched Bridge was already invented, but they were half circles and the Chinese bridges used a smaller part of a circle. They took less material to make than the half circle bridge.
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Printers used woodblock printing to make the game cards from thick paper. Famous Artists designed the designs that were on the game cards.
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Before the Chinese invented Paper Money in the late 8th Century to the Early 9th Century, coins were the main form of currency. In Modern Day, paper money is the most common form of currency.
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The Chinese developed the first mechanical clock in about the 8th century, but in 1092 it was developed in a new way. The new clock was more accurate than earlier timekeeping devices, like the sundial and the hourglass.
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During the Tang Dynasty, the first tea-plant seeds were brought
to Japan. Tea cultivation became an industry there by about
1200.
