the.com/moisture farming
agriculture for planets so dry they had to invent a metaphor for hope.
means a fictional technique for extracting water from thin desert air, invented so a farm boy could have a reason to stare at the horizon.
from coined in star wars 1977 for tatooine, where luke skywalker's aunt and uncle run a moisture farm using vaporators to harvest atmospheric water on a planet with two suns and no rain in sight.
tool namevaporators, the tech that condenses air into water
real physicsactual atmospheric water generators exist, minus the twin suns
narrative functiongave luke a reason to want to leave
planet typetatooine is canonically a binary-star desert world