An earlier webpage described how "Quantum-dot Cellular Automata" (QCAs) could serve as memory cells and wires (click here).
This pages contnues the story by describing how QCAs can be made into MAJORITY, OR, AND, and INVERTER logic gates.
To start this tour, click the "Next Scene" button at the bottom of this page.
To navigate further, use the buttons at the bottom of the page. (You can also move between scenes by using your keyboard’s arrows, and then play movies by clicking enter/return).
At any point, you can jump ahead by clicking an icon above the picture.