IN a circular letter, dealing with the world-wide spread of the metric system, the Decimal Association points out that the time is soon coming when metric usage, instead of being regarded as a ...

May is a month full of celebrations—everything from May Day and Cinco de Mayo to Mother’s Day and Memorial Day. Largely forgotten in the cornucopia of May celebrations, however, is National Metric ...

The United States's version of the Imperial system is based on an older British version. MaxPixel At press time, only three of the world's countries don't use the metric system: the United States, ...