The watt balance—also known as the Kibble balance—is a precision electromechanical instrument that has revolutionised the realisation of the kilogram by linking it directly to the Planck constant.

When most of us get serious about losing weight or getting in shape, one of the first things we buy is a scale. However, these days, not just any scale will do. If you're like most people, you want to ...

Measures BMI as well as weight. Logs weigh-ins for up to 16 different users, and internal memory stores data even when their iOS devices are not present. App tracks each person's progress toward ...