Water. A vital nutrient, yet one that is inaccessible to many worldwide.
The World Health Organization reports that 780 million people don't have access to clean water, and 3.4 million die each year due to water-borne diseases. But an Israeli company thinks it can play a part in alleviating the crisis by producing drinking water from thin air.
Oh. That's right. Star Wars. And the moisture vaporator in ANH is much cooler looking than the "modern" version.