A micrometer is a precise measuring instrument used to measure small distances or thicknesses, typically in the order of one millionth of a meter (1 µm). It is essential for ensuring accuracy and precision in various scientific and engineering applications, as it allows for measurements that require high levels of detail. Understanding micrometers connects to the concepts of accuracy, precision, and significant figures, as it involves careful calibration and the ability to record measurements with a specific number of meaningful digits.
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