Atoms are the building blocks of matter. Everything around us — from air and water, to rocks, plants and animals — as well as everything within our bodies, is made up of atoms. They are very small, ...

Assembling matter atom-by-atom is the ultimate goal of nanotechnology, as set forth in Feynman’s visionary speech in 1959 (ref. 1). The first experimental demonstration of atom-by-atom assembly using ...