... (within a factor of 3) , and all atoms are smaller than the nanoscale, but reside right at the edge. These 91 atoms are the fundamental building blocks of all nature that we can see. Think of them ... on the nanoscale. Because the nanoscale is so small, almost unimaginably small, it is clearly difficult to do the imagining, the making, the measuring, and the using. So why bother? From the ... mass in hydrogen, and an even greater percentage in other atoms. There are 91 atoms in the natural world, and each of these 91 atoms has a different charge in its nucleus. The positive charge...