A metric prefix is a numerical multiplier that is placed before a basic unit of measure to indicate a specified multiple or fraction of that unit. The 20 recognized metric prefixes have been specified ...

I disagree with your suggestion to promote the radian to the International System of Units (SI units) to address the confusion over dimensionless numbers (Nature 548, 135; 2017). On the contrary, this ...

More than half a century after SI units became standard, pockets of resistance to their adoption still persist — at least in medicine (see also Nature 537, 279; 2016). Many specialists in the ...