China's four great ancient inventions made tremendous contributions to the world's economy and the culture of mankind. They were also important symbols of China's role as a great world civilization.

The Rainbow Bridge built in the NOVA program "China Bridge ... NOVA: You've made a strong case for the impact of gunpowder all over the world. But were there major non-military inventions during ...

Earliest records show a spoon shaped compass made of lodestone or magnetite ore ... the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists ...

Cleavers are common in Chinese kitchens ... all set to a song about a legendary ancient hero and his green dragon crescent blade. Unlike Geng’s first invention, an automatic pancake press ...