Q: How can I calibrate my scale? The number I get when I use it is different from the number shown at the doctor's office or at the health club. A: You need answers to these questions: Does the scale ...

The U.S. National Institute of Standards and Technology (NIST) has completed significant upgrades to two key instruments serving what the agency calls “critical national needs”. The devices measure ...

We’ve all stepped on an old, analog scale and insisted the number was wrong—it must be the scale! But is buying an expensive, new digital scale with all its extra features any more accurate? For the ...