"This is certainly domino causality!"
"There are direct and indirect effects of knocking the first domino over."
"It reminds me of how we don’t always realize the unanticipated dominoes at the end—the pattern is not always as obvious as it is here!"
"It spreads down the wire kind of like it is flowing—I guess it is domino-like."
"It shows conduction and that means that as each molecule gets heated up and starts moving faster, it bumps others and they move faster and heat is transferred down the wire."