Related: Meet the zeptosecond, the shortest unit of time ever measured This is the first time that new prefixes have been added to the metric system since the addition of zetta (10˄21), zepto (10 ...

IEEE 1541-2002 (adopted in 2005 and reaffirmed in 2008) defines that standard metric prefixes should not be used when referring to base 2 numbers, typical in computing. Metric uses base ten for ...

The redefinition of several physical base units planned for 2018 requires precise knowledge of the values of certain fundamental physical constants. Scientists are working hard to meet the ...

A nanometer (nm) is a unit of length in the metric system, defined as one billionth (10-9) of a meter (m).The meter is the base unit of length in the International System of Units (SI), making the ...