Tech

Vast underground water system helps drive Antarctica’s glaciers

Enlarge (credit: De Agostini Picture Library | Getty Images) Lake Whillans is a strange body of water, starting with the fact that there is liquid to fill it at all. Though buried under more than 2,000 feet of Antarctic ice, its temperatures climb to just shy of 0° Celsius, thanks to a combination of geothermal […]

Tech

Archaeologists found a 1, 500-year-old sandal frozen in Norwegian ice

Enlarge / Conservation efforts for the shoe included careful reshaping and freeze-drying. (credit: Secrets of the Ice ) Sometime between 200 and 500 CE, someone crossing a high mountain pass in Norway discarded a shoe. More than 1, 500 years later, an unusually warm summer melted centuries of accumulated snow and ice , revealing the […]

Tech

Building electronics that can survive under Greenland’s ice sheet

Enlarge / Sensors, support electronics, and a transmitter are all encased in a pressure-proof shell. (credit: Michael Prior-Jones) Through the GRACE satellite program, researchers have shown that Greenland’s ice sheet has been losing about 280 billion tons of ice each year—the equivalent of close to 1.5 million Olympic swimming pools. For glaciers like those in […]