“Matt Parker and a team of Domino Computer Builders balanced over 10,000 dominoes in a carefully designed circuit. The result was a Domino Computer capable of automatically adding numbers. It can take any two four-digit binary numbers and return the five-digit binary sum.
It’s a computer, made of dominoes.” (YouTube)
It must feel immensely satisfying to set it all up then finally get to watch them fall down! They’re so close getting their correct answer, but unfortunately a little bleedthrough and a too-short delaying tactic failed them. Heartbreaking and wonderful. Onwards!