This is a fascinating though useless diversion on how to perform basic computations using dominoes.
My friend Cory and I were sitting around one day, as we often do, contemplating the mysteries of the universe, when one of us brought up the possibility of building digital logic using only dominoes. We did a web search, figuring that someone must have done something like that before, but guess what? Nary a page was to be found. Cory immediately made a trip the local toy store and bought a package of faux ivory dominoes, and we began work.
Here’s a single-bit adder:
[...] The Computer/Domino Connection [...]