From Wikipedia (http://en.wikipedia.org/wiki/Kilogram#Avogadro_project):
These spheres are among the roundest man-made objects in the world. If the best of these spheres were scaled to the size of Earth, its high point—a continent-size area—would rise to a maximum elevation of 2.4 meters above "sea level".
^ that IS impressive ^
From Wikipedia (http://en.wikipedia.org/wiki/Kilogram#Avogadro_project):
These spheres are among the roundest man-made objects in the world. If the best of these spheres were scaled to the size of Earth, its high point—a continent-size area—would rise to a maximum elevation of 2.4 meters above "sea level".
^ that IS impressive ^