First, consider the difficulties of manufacturing a device using a photographic process whose resolution is measured in billionths of a meter.

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But the process of getting the house ready and then relocating all our worldly goods raised the stress meter a notch or two.

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The nebulous field of nanotechnology, freighted with as much hype as legitimate promise, boils down to the process of manipulating matter on a molecular scale (a nanometer is one billionth of a meter, about ten times the width of a hydrogen atom).

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