The ratio of a nanometer to a meter is roughly the same as the ratio of a golf ball to the Earth . Core Concepts from "Nanotechnology For Dummies"

A human hair is about 50,000 to 100,000 nanometers thick.

The popular guide Nanotechnology For Dummies by Richard Booker and Earl Boysen breaks the field down into several key areas: Nanotechnology For Dummies, 2nd Edition - Wiley

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