Robot 'dolphins' give clues to Antarctic melt in data revolution

November 10, 2014 5:39 PM

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OSLO Nov 10 (Reuters) - Dolphin-sized robots are giving clues to a thaw of Antarctica's ice in a sign of how technology is revolutionizing data collection in remote polar regions, scientists said on Monday.

An international study led by the California Institute of Technology used three yellow "gliders", about 2 meters (6 feet 6 inches) long and each costing $240,000, to measure temperature and salinity in the depths of the Weddell Sea off Antarctica.

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