-
2700 BCE
tea
tea made by letting tea leaves steep in boiling water -
850 BCE
gunpowder
used for wepons -
800 BCE
Printing
Chinese invented a technique called woodblock
printing. -
200 BCE
Steel
The Chinese first made steel, a very useful metal, steel is made
from iron, but it is less brittle than iron and easier to bend into different shapes. -
116 BCE
arched bridge
a Chinese engineer completed a new
type of arched bridge. In Europe, Roman-designed bridges
rested on arches that were half-circles. -
100 BCE
paper
Paper The Chinese invented the art of papermaking by the second century C.E. The earliest Chinese paper was
probably made from hemp and then the bark of the mulberry tree. -
3 BCE
magnetic compass
this invention is a magnetized needle that aligns itself with Earth’s
magnetic poles so that one end points north and the other
south. -
1 BCE
porcelain
a type of fine pottery -
450
paddlewheel,
the Chinese adapted this idea by arranging a series of paddles in a wheel. -
1092
mechanical clock
The new clock was more accurate than earlier timekeeping devices, such as sundials and hourglasses.