This part is easy, because it’s a pretty simple one, even if the set-up raises plenty of questions. The Earth – or whatever planet the movie takes place on; let’s assume it’s Earth – is flooded and ...

In the half-century since Mihaly Csikszentmihalyi first introduced the concept of flow in his seminal 1975 book, Beyond Boredom and Anxiety: Experiencing Flow in Work and Play, two distinct theories ...