The thing about motion pictures is that they move. Perhaps that’s a bit obvious, but sometimes the simple things are worth noting. Film excels at capturing objects and people in motion, and we react very strongly to the kinetic nature of the medium. That’s why we get off on both action movies and musicals – the distance between, say, Bruce Lee kicking six guys into their next incarnations and Fred & Ginger cutting a rug for our entertainment is actually pretty small. And then there are car chases, which up the stakes by the simple act of motorising the motion. Not only are we excited by...