As revolution raged in the 1790s, French scientists replaced a chaotic system of weights and measures with an unified way to calibrate and calculate.

The Two-Way How Pirates Of The Caribbean Hijacked America's Metric System This is the first expansion of the measurement system since 1991, according to the National Physical Laboratory.

And while the United States hasn't fully adopted the metric system, the International System of Units (or SI, as it's officially known) has a role to play in our everyday lives.

Students are introduced to the metric system. Introduction to Chemistry continues with a discussion of the Metric System: length, mass, volume, time and temperature are defined, and students learn ...