the ted talk and the documentary of the swords have a deep connection to our current studies on classification of matter. as these craftsmen and scientists create these remarkable things with ancient materials, it is applicable to the fact that matter can be changed. whether that means as a different state, changing from liquid to gas, or changing the entire perception of an object. the silk workers physically changed their material to create a great variety of items. and the sword craftsmen used their basic knowledge of the elements to chemically create the most amazing swords known to man. Matter and it’s changes can constantly develop the future.