Feasibility of overcoming the technological barriers in the construction of nanomachines

The Science of molecular size machines and its engineering designs and constructions until late 1980s were not considered practicable. Nanotechnology, according to the leading exponents of that time were neither feasible nor viable, due to the fact of total structural difference of the constituent of nano-molecular device i.e. Atoms from the mechanical objects of every day life. The essential components of engineering mechanics i.e. cogwheels, gears or motors could not be imagined to have formed by means of atoms, that are characterized by fuzzy and unsubstantial contents having no definite location position.