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made to shade from sun
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they created a compass improving sea travel
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Yi Di created alcohol thinking it teaches you about history
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accidentally by alchemists who were looking for secret to eternal life
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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.
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ships with seperate watertight containers
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The earliest Chinese paper was
probably made from hemp and then the bark of the mulberry tree. -
tea is made by letting tea leaves steep in boiling water was drunk mostly as medicine.
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To print from the block, the printer covered the characters
with black ink. Then he spread paper over the block and
smoothed the paper with a brush.
