Craving for advancement is one of the basic nature of mankind that results in more and more developed human civilization. This hunger gave rise to various innovations that changed the course of human life for time eternal.

Ancient civilization also manifested this craving for development and left various proofs about advanced science and technology of that era. Mentioning of advanced weapons, aircrafts, electricity, nanotechnology, stem cells, advanced communication technology, medicine, etc. in ancient texts like Mahabharata, Vedas, etc. highlights the fact that ancient civilization was much more advanced than our modern day civilization.