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What is nanotechnology? Well, it has many different definitions, but the most basic and most agreed upon is that it is the study of and use of structures at the molecular scale (between 1 to 100 nanometers). Though, another more traditional meaning of the concept of nanotechnology is building things from the bottom up, with atomic precision. Nanotechnology encompasses many different types of sciences such as molecular physics, materials science, chemistry, biology, computer science, electrical engineering and mechanical engineering. The word nanotechnology was popularized in the 1980s by K. Eric Drexler, a researcher, whose work focuses on advanced nanotech. He wrote a paper in 1981 in the Proceedings of the National Academy of Sciences which ...