Nanometers Explained: Measuring Molecules and Materials at the Nanoscale
The Direct Answer: What Is Nanometer ? A nanometer (symbol: nm) is a unit of length equal to one-billionth of a meter (1 nm = 10⁻⁹ meters). To put that in perspective: a human hair is roughly 80,000 to 100,000 nanometers wide. A Single DNA Molecule is about 2.5 nanometers in diameter. A nanometer (nm) […]
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