Wednesday, July 04, 2007


Nanotechnology is a field of applied science and technology cover a broad variety of topic. The main unify theme is the manage of matter on a scale lesser than 1 micrometre, normally between 1-100 nanometers, as well as the manufacture of strategy on this same length scale. It is a highly multidisciplinary field, sketch from fields such as colloidal discipline, device physics, and supramolecular chemistry. Much conjecture exists as to what new science and technology might answer from these lines of study. Some view nanotechnology as a advertising term that describes pre-existing lines of explore applied to the sub-micron size level.

Despite the obvious cleanness of this definition, nanotechnology actually encompass diverse lines of question. Nanotechnology cuts across many discipline, including colloidal science, chemistry, applied physics, material science, and even automatic and electrical engineering. It could variously be seen as an addition of existing sciences into the nanoscale, or as a recasting of existing sciences using a newer, more current term. Two main approach are used in nanotechnology: one is a "bottom-up" approach where materials and strategy are built from molecular components which accumulate themselves chemically using morality of molecular gratitude; the other being a "top-down" advance where nano-objects are construct from larger entity without atomic-level manage.

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