Tall buildings were the vanguards of the modern world. They completely changed how cities functioned, bringing forth totally new social and urban systems. The reasons they changed cities are surprisingly similar to the reasons they may change the way computer memory is built.
Theoretically speaking, a single atom could be made to represent one computer bit — a technological prospect that could lead to unimaginably small storage devices. But getting atoms to behave in the desired way is easier said than done. Until now.