The first iron compasses created during the Han Dynasty were not used for navigation.

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In 1490, Hua Sui perfected movable type by putting the characters on bronze blocks instead of wood or clay.

The final tweak was added in 1718 when porcelain enamel was used.

These notes were initially used only by the very wealthy, but eventually they were circulated by the Song Dynasty when there was a shortage of copper coins. These notes did not replace copper coins- they were organized by region (rather than having a national currency) and were more like credit notes with a time limit.

Weird people who don’t like lots of soy sauce and yummy carbs like rice and rice noodles? Original banknotes were essentially bank slips with the amount of total money available to the merchant written on them, like our deposit receipts.

Paper money was first introduced in the 7th century as a way for wealthy merchants to avoid having to carry large quantities of heavy copper coins.

I’d like to think that they have accomplished more than that in their long history, and sure enough, they have…The first recorded formula for gunpowder was relatively tame as it was not capable of exploding but still very flammable.By the 15th century though, they had perfected 6 formulas for gunpowder, some with up to 91% nitrate, the chemical that makes gunpowder go BOOM.It was originally used in flamethrowers (no joke), flame tipped arrows, and a “gunpowder-whip-arrow,” for which I can’t think of a modern equivalent.The first firearms did not appear until the 13 century, and were used heavily by the Mongols in their exploits.The Chinese ancients seem to have been some of the first who were concerned with burying their dead.