-
-
They were first used for fireworks, then the Chinese started using them as weapons. It consists of saltpeter, charcoal, and sulfur.
-
When the enemies were getting hurled by catapults
-
The Chinese first made steel, a very useful metal, before 200 B.C.E..
-
The Chinese invented the first mechanical clock in the 8th century.
-
Paper money was invented by the Chinese in the late 8th or early 9th century. Before that time, coins were the only
form of currency. -
Game cards were made from printers in China in the 9th century. Printers made them from thick paper.
-
Flame throwers were made in the 10th century. They contained gunpowder.
-
Accidentally discovered by alchemists working with saltpeter looking fir the secret to the eternal life. MILITARY TECHNOLOGY
-
In about the 7th century, the Chinese invented a technique called woodblock printing. The printer first drew characters (symbols) on
paper.
