Back in 2014, Christopher Nolan released the ambitious but divisive sci-fi film "Interstellar". In perhaps its most pivotal scene, Anne Hathaway's character poses a far-fetched theory to save the world from impending apocalypse. She essentially explains that the power of love, rather than science, is the answer to their predicament, representing a higher dimension we can't perceive. Two years later, this character's philosophy reverbates in a kindred spirit of sorts in Louise Banks, the lead character in Denis Villeneuve's equally heady sci-fi drama "Arrival". As unexpected alien spacecraft emerge ...