Some quantities, such as earthquakes, are hard to convert: <http://www.unc.edu/~rowlett/units/>.
I am most interested in grit sizes, which seem to be ranges based on mesh aperture. So why isn't the same scale used for tennis rackets?
Some quantities, such as earthquakes, are hard to convert: <http://www.unc.edu/~rowlett/units/>.
I am most interested in grit sizes, which seem to be ranges based on mesh aperture. So why isn't the same scale used for tennis rackets?