If scientists had sacred objects, this would be one of them: a single, closely guarded 137-year-old cylinder of metal, housed in a vault outside of Paris. It is a prototype that precisely defines a ...

The International System of Units (SI Units), adopted in 1960, is the global standard for consistent measurement, replacing ...

Every measurement we make, be it for length, time, temperature, or electric current, needs a standard unit so that results ...

When someone tells you they'll be "back in two shakes!" they are guaranteed to take much, much longer than that — at least if we're talking shakes in the sense used by physicists. The shake is a unit ...

You can change the ruler unit from inches to centimeters, millimeters, points, and Picas. Points are used when you need to simulate pixels, while Picas are typically used to represent fixed horizontal ...

Are you getting bored with our current units of measurement? Do you constantly weigh the pros and cons of the United States switching over to the metric system, and wonder if there was a better option ...