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Nanotechnology is a scientific field that uses system or component development techniques to build products on highly granular levels. Nanotechnology works through different approaches to build nano materials or products, including bottom-up, top-down and functional system development. In a bottom-up approach, a product is designed as it evolves from its tiniest form factor to larger product.
Nanotechnology facilitates the building of functional matter and systems at the scalar level of an atom or molecule. It incorporates concepts from physics, biology, engineering and many other disciplines. Nanotechnology is also known as nanotech.