Here's how a domino the size of a tic tac can topple one the size of a skyscraper

Your typical store-bought dominoes are all of the same size, but what happens when you set up a series so that each is a bit bigger than the last? It won't come as a surprise that they fall just as a regular series of dominoes do, but things quickly start to take on a pretty massive scale. Stephen Morris (who holds a PhD in geophysics and lists "the Physics of everyday phenomena" as a research interest) set up a series of 13 dominoes, each roughly one and a half times the size of the one knockin...