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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 refers to the science and engineering of particles that are on the nanoscale, which is are about 1 to 100 nanometers (nm) in size. For comparison, the thickness of a sheet of paper is about 100,000 nm and the width of a hair, about 40,000 â 80,000 nm.