Machines designed by a California-based team can produce, in some cases, up to 300 gallons of fresh drinking water a day by pulling it straight from the air. And the team just won a $1.5 million prize for it.
원문출처 : https://www.cnn.com/2018/10/25/world/fresh-water-green-machine-trnd/index.html
원문출처 : https://www.cnn.com/2018/10/25/world/fresh-water-green-machine-trnd/index.html