[Discovery]Ancient Chinese Technology 中国古人的智慧 part 2/5 

Armillary Sqhere, Seed Drill, Iron Plow, Chain Pump, Magnetic Compass, South Pointing Chariot, Blast Furnace, Water Clock with Escapement Mechanism, Crossbows with Bronze Trigger Mechanism all found earliest in the Far East.

3:30 Chinese astronomers were 1st to observe and record Supernovas?! Now I'm learning something.

@maykolee You are right exactly. Ancient time did not apply modern law and order. And attack was nothing.

@maykolee not really

The Long-Lived Empire "China"!!!!!!!! Welcome to come back 21 century!!!!!!

Corn is native to China! :.)

@240kankan lol u wish