Geographies in Depth
This small harvester could end water shortages in vulnerable countries
A microwave-sized water harvester pulls all the water you need directly from the air, even in the hot, dry desert, researchers report.
Robert Sanders is a press officer at UC Berkeley.
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A simple question from his wife—Does physics really allow people to travel back in time?—propelled physicist Richard Muller on a quest to resolve a fundamental problem that had puzzled hi...