Well , Mike , nowadays there's much talk about nanometer . But what on earth is it ?
neutral
user
Nanometer is a length scale . It's one billionth of a meter , roughly ten times the size of an individual atom .
neutral
assistant
Hmm ... it's hard to figure out the exact size , I'm afraid .
neutral
user
Well , let's make it this way . For comparison , 10 NM is 1000 times smaller than the diameter of a human hair . There are as many nanometers in an inch as there are inches in 400 miles .
neutral
assistant