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Where to find an inexpensive dial gauge

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70herald said:
SilentUnicorn said:
A micron is as big as a football field when you have to hold less than 300 nanometers....

m
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And nanometers are pretty big when your only concerned about a very few atoms! Good thing TEMs (transmission electron microscope) have that kind of resolution or it would be really difficult to keep up with "Moore's Law" (and I would be out of a job)
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TEM used to be my job. Not so much now.
 
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