The approximate atomic radius of gold is 0.1441 nanometers or 0.1441 x 10-9 meters (i.e. 0.1441 millionth of a milimeter!)
Answered by: Paul Turek, PE
'The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.'