Similarities Between Tang And Song Dynasties

The Tang and Song dynasties were an era for many technological developments the most important of these are the invention of gunpowder and movable type. Movable type is the system of printing and typography that uses movable components to reproduce the elements of a document. The distribution of the movable-type systems was very limited due to the fact that they were expensive, there was a large amount of labor involved in manipulating the thousands of ceramic tablets, based on the Chinese writing system, which have thousands of characters.

Gunpowder was the first chemical explosive and propellant. Prior to the invention of gunpowder, many burning devices had been used, including Greek fire. Gunpowder stood alone as an energetic material.