H ave you ever noticed that systems of measurement tends to change when you leave the United States? Weight is typically ...

In other words, the French introduced not only national standards, but a system of standards. It survives today as the metric system.

‘The metric system did not really catch on in the States,” humorist Dave Barry once joked, “unless you count the increasing popularity of the nine-millimeter bullet.” There, in one pithy ...

Save guides, add subjects and pick up where you left off with your BBC account. NARRATOR: The metric system is a way of measuring things. So with length, the metric measurements are millimetres ...

The metric system was introduced to standardise weights and measures. The clip could be paused when the presenter has finished describing the historical methods of measuring but has not yet ...

In the meantime, a new system of weights and measures, developed by French scientists following the Revolution of 1789, gained increasing international use. This metric system had as its fundamental ...