Rule of Thumb

USING A MICROSCOPE

If you can see an object with a light microscope, its dimensions can be conveniently expressed in millionths of a ...

If you can see an object with a light microscope, its dimensions can be conveniently expressed in millionths of a meter (micrometers). — Derek D. Cardy, zoologist, University of British Columbia, Vancouver, British Columbia, Canada

11/13/16

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