-
Period: 150 to Feb 12, 1400
ce
-
250
Travel: compass
The first Chinese compasses were pieces of a magnetic mineral called lodestone. -
450
Travel: paddlewheel-powered boat
These boats were powered by humans unlike the previus ones made by romans whos were powered by oxen. -
550
Industry: paper
The earliest Chinese paper was probably made from hemp and then the bark of the mulberry tree. -
Feb 18, 618
Travel: Arched bridge
The new Chinese bridge used arches that were a smaller part, or segment, of a circle. -
Feb 18, 650
Industry: printing
The Chinese invented a technique called woodblock printing. -
Feb 18, 750
Industry: Tea
For several thousand years, tea—made by letting tea leaves steep in boiling water—was drunk mostly as medicine. -
Feb 17, 850
Military: Gun Powder
Gunpowder was invented by achamists who were trying to a mixture that allows peple to live forever. -
Feb 17, 950
Military: Flamethrower
This was the first weapon that used gunpowder. -
Feb 17, 1000
Military: Rocket
Rockets were powered by a black powder made of saltpeter, charcoal, and sulfur.
