This video breaks down why metric is the global standard, how it’s defined by the laws of physics, and why the U.S., Liberia, and Myanmar remain the last holdouts. Could the world ever fully ...

Most of the world measures things using the metric system. Learn more about this standard of measurement and how it is getting more and more accurate.

On April 19, 1973, Wilson Riles, superintendent of public instruction for California. called to announce that beginning in 1976 the metric system would be taught in California. The reaction from the ...

Meet the metric system’s newest prefixes: ronna-, quetta-, ronto- and quecto-. Science News spoke with Richard Brown, head of metrology at the National Physical Laboratory in Teddington, England, ...