TechThis Ancient Technology Is Helping Millions Stay Cool 12 months ago01 mins Cheap, low-energy evaporative cooling devices are keeping water, food, people, and even whole buildings cool across India.Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading... Post navigation Previous: How Disinformation From a Russian AI Spam Farm Ended up on Top of Google Search ResultsNext: Former employee accuses Davos summit organizers of pregnancy and race discrimination