EWhere is on Most speculative reaches science fiction, there is no dependence on humanity fleeing liquid water. Luke Skywalker, the original star of the “Star Wars” trilogy, grows on his uncle’s moisture farm, extracting water from the arid tatoine atmosphere. Arrakis, who can be accessed for anyone who has a copy of Frank Herbert (or three hours to kill at the nearest cinema), use the water to steal the precious liquid from the air.
