Harvesting Water with Calcium Chloride and Passive Solar Energy

Luke Skywalker and a droid beside a moisture vaporator. Image from STAR WARS — EPISODE IV — A NEW HOPE © Lucasfilm, Ltd.

Over the past week, a large percentage of Americans have realized that cooling and water accessibility are going to be major issues into the coming decades. Accessing fresh water, and being able to create it from salt water or atmospheric sources — a problem already felt in many equatorial countries for the better part of the last century — is going to become a mainstream idea in…