engineeringhistory: Series of images taken in 1990 during Don Eigler and Erhard Schweizer’s ar

engineeringhistory:

Series of images taken in 1990 during Don Eigler and Erhard Schweizer’s arrangement of xenon atoms on a Nickel (110) surface, beginning with the dosing of the crystalline surface with Xe atoms. Each atom is 1.6 Angstroms high; each letter measures 50 A from top to bottom.