"NANOTECH: rebuilding electronics one atom at a time"
Molecular nanotechnology � or "nanotech" as it is popularly called � is the technology of manipulating materials at the molecular level or the "nanoscale (a nanometer spans only three or four atoms.)" And while that may appear futuristic, it is not: Design rules of silicon chips have already dropped below 100 nanometers.
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Story in EE Times: http://eetimes.com/reshaping/nanotech/OEG20020911S0056