Calipers were the most precise measuring instrument I've ever used. We were taught how to use it in hiugh school and I've already forgot how to use it. One thing I've learned about calipers from this lesson is to how to fully utilize it's parts and functions to get a more precise measurement.Good thing we have physics 101.1. We had an activity on using calipers and I enjoyed measuring the thickness of 30 rice grains.
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