Robotic Eel Seeks Water Pollution, Aids Researchers

October 31, 2017 02:43 AM
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Trash and tires floating in a river are easy to see. But there's a lot of harmful water pollution that isn't visible to the naked eye. Researchers in Switzerland are testing a robotic version of a sea monster that's helping them get a better look at what's floating in the water. Arash Arabasadi reports.