As we age, our ability to balance can change. And that loss of balance can pose a serious risk. In fact, the CDC says that falling down is the No. 1 cause of accidental death for those over 65. But ...

A high-tech version of an old-fashioned balance scale at the National Institute of Standards and Technology (NIST) has just brought scientists a critical step closer toward a new and improved ...

A high-tech version of a balance scale has just brought scientists a critical step closer toward a new and improved definition of the kilogram. The scale, called the NIST-4 watt balance, has conducted ...