Post Mauryan period- Political, Social, Economic, Religious and Cultural life during Kushana

The Kushanas: Short introduction In the early 2nd century BC, a tribe on the Central Asian frontier of China called Hsiung-nu defeated a neighboring one known as Yueh-chih. After more conflict, the survivors of the Yueh-chih were dislocated west, passing down the Ili river valley and along the southern shore of lake Issyk Kul. This … Read more Post Mauryan period- Political, Social, Economic, Religious and Cultural life during Kushana

Corossion of metals

Corrosion is defined as an attack on a material as a result of chemical, frequently electrochemical reaction, with the surrounding medium. According to this definition, the term corrosion can be applied to all materials, including non-metals. But in practice, the word corrosion is mainly used in conjunction with metallic materials. Why do metals corrode? Apart … Read more Corossion of metals