Nanotechnology is the science and engineering of manipulating matter at the nanoscale, typically defined as involving structures ranging from 1 to 100 nanometers (nm) in size. To put this in perspective, a nanometer is one-billionth of a meter, which is about 100,000 times smaller than the diameter of a human hair. Nanotechnology involves the study, design, and application of materials and devices at this incredibly small scale, where unique physical and chemical properties often emerge.
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