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A-Z of thought: Nanotechnology

Russell Cowburn

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Nanotechnology is the science and engineering of the very small. The prefix ‘nano’ comes from the Greek for a dwarf and means one thousand millionth. Nanotechnology is on the scale of the nanometre, one thousand millionth of a metre.

That is roughly the size of a single molecule, or about 5 atoms.  In recent years scientists and engineers have learned how to control materials with this …

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