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A micrometer is a measurement device incorporating a calibrated screw used widely for precise measurement of small distances in mechanical engineering and machining as well as most mechanical trades. The first micrometer was developed by Jean Laurent Palmer of Paris in 1848.
At this scale, we have our micrometer divided into. thousandths. One 1000th of a micrometer is a nanometer, or nm. Notice that the. nanometer is three orders of magnitude smaller than the micrometer, which is. three orders of magnitude smaller than the millimeter, which is three orders of. magnitude smaller than the meter. Therefore, one nanometer is 1/1,000,000,000. of a meter. Identify and label the nm.