Building much smaller, greener electronics: Atom-scale, ultra-low-power computing devices to replace transistor circuits

The digital age has resulted in a succession of smaller, cleaner and less power-hungry technologies since the days the personal computer fit atop a desk, replacing mainframe models that once filled entire rooms. Desktop PCs have since given way to smaller and smaller laptops, smartphones and devices that most of us carry around in our pockets. Scientists are now developing atom-scale, ultra-low-power computing devices to replace transistor circuits.

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