Directory For a Sex Photos : odditiesoflife: The Size of a Nano Just how small is a “nano?” In the International System of Units, the prefix “nano” means one-billionth, or 10-9; therefore one nanometer is one-billionth of a meter. It’s difficult to imagine just how small
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» odditiesoflife: The Size of a Nano Just how small is a “nano?” In the International System of Units, the prefix “nano” means one-billionth, or 10-9; therefore one nanometer is one-billionth of a meter. It’s difficult to imagine just how small