The science and technology civilization of creating life

The smelting technology in ancient China is quite developed. Early in the Shang Dynasty, it has been able to create a complex shape, beautiful and generous large-scale bronze ware. Spring and Autumn Period, China has invented the iron smelting technology, to the late spring and autumn, iron tools and weapons have been widely used.
In the process of smelting metal, people constantly experience, gradually contact and familiar with the performance of many minerals, accumulated a wealth of chemical knowledge. From the time of the Warring States Period, some people have applied metallurgical technology to the refining of drugs, the dream of refining the elixir of immortality, but also some people want to draw gold and silver from the mineral. The alchemy of the so-called Elixir of immortality in ancient times known as "Alchemy", the Alchemist engaged in alchemy is called "alchemists", later known as "Taoist" or "Dan home."

The science and technology civilization of creating life