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 Imperial Measurement System, originated in Britain in 1824, is now primarily used by only three countries: the United States, Liberia, and Myanmar. Defined by non-decimal units like inches, pounds ...
A co-ordinated measurement system is one of humanity’s greatest achievements – we must stick with it
Balancing act The two systems of measurement – imperial and metric – are often used together in UK shops. (Courtesy: iStock/Paolo Paradiso) When I was at primary school in the 1960s, measurements were ...
In the age of big data, it is time to ensure that units are routinely documented for easy, unambiguous exchange of information. Robert Hanisch is the director of the Office of Data and Informatics at ...
Scientists have approved the introduction of four new prefixes that can be applied to units of measurement in the metric system. When you purchase through links on our site, we may earn an affiliate ...
The NIST-4 Kibble balance, an electromagnetic weighing machine that is used to measure Planck's constant, and in turn, redefine the kilogram. Jennifer Lauren Lee / NIST Locked in a vault that requires ...
If you’re from the US or are trying to understand American units of measure, there’s now an easier way to do that with Uniter. This is a new iPhone app that can convert measurements in real-time in ...
Meters, kilograms, degrees Celsius. To most Americans, these units of measurement are little more than funny inconveniences on trips abroad. To scientists, they’re the very standards that allow for ...
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