It might seem counter-intuitive, but Coleridge’s famous line from the Ancient Mariner could also apply to the desert. Even in some of the driest places on earth, the air holds thousands of litres of fresh water that have remained tantalisingly inaccessible. Until now. Scientists at MIT and the University of California at Berkeley have created a device that can suck water from the air. Even better: it’s solar-powered. So, even in the most remote, arid deserts it can harvest drinking water from the atmosphere.
Posts tagged water
Agua con Gaz, Various Artists, 2015, installation view, Galleria Continua, San Gimignano. Photo by: Ela Bialkowska.
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Rudimentary stepwells first appeared in India between the 2nd and 4th centuries A.D., born of necessity in a capricious climate zone bone-dry for much of the year followed by torrential monsoon rains for many weeks. It was essential to guarantee a year-round water-supply for drinking, bathing, irrigation and washing, particularly in the arid states of Gujarat (where they’re called vavs) and Rajasthan (where they’re baoli, baori, or bawdi) where the water table could be inconveniently buried ten-stories or more underground. Over the centuries, stepwell construction evolved so that by the 11th century they were astoundingly complex feats of engineering, architecture, and art.
A look at how much water it takes to produce certain foods. (Los Angeles Times)
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Water Computer (via http://pruned.blogspot.com/2012/01/gardens-as-crypto-water-computers.html)
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