What is nano technology?

Ever wondered what is nano technology? Let us define what is nano technology in simple ways. To be very specific nano technology can be defined as a technology that has features related to nanometer scale like thin films, fine particles, chemical synthesis etc. Nano technology can also be termed as a technology that can be used to change the structure or properties of atoms to create something new. Nano technology is used in the medical field to find nano technology robots that can prevent diseases by altering the DNA structure.