Nanotechnology is being harbingered as the next enabling technology that will redesign the future of several technologies, products and markets. The nanotechnology industry is heralding a new world order. Nations are focusing on this emerging technology in particular and serious researches as well as industry efforts are being made. It is described as an enabling technology that will pave the way for novelty in every stream of technology. The number of sectors that are involved are many, due to the multi-disciplinary nature of the technology, offering scope for numerous opportunities. In this paper we are going to discuss about nano technology, why there is so much interest in such technology, approaches in nano technology, road map of nano technology, and 13 developments of nano technology such as nano d-ram chips, nano dot storage, nano technology in sports, smallest nano tube transistor, nano to speed up the internet, storage punch card, applications and future of this tiny technology which commands the future era.