If we assume (I may be wrong here) that the head of a pin is a millimeter, a
millimeter is 10 to the minus 3 meters, a nanometer is 10 to the minus 9,
therefore the head of a pin is a million nanometers or a few million atoms.
Gina "Nanogirl" Miller
> Point of reference: How many atoms wide is the head of a pin?
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