The underwater drones that hunt for oil spills beneath the waves
                This navy boat dumped chemical substances in the ocean for correct reasonTechnical University of CartagenaBy Joshua HowgegoA SMALL dinghy bobs on the ocean about a miles off the Irish cruise. Two men in darkish apparel decrease a pipe into the water, swap on a pump and chemical substances open to drift. To the untrained peer, it looks distinctly dodgy. But these men are from the Irish navy and the chemical substances they're dumping are setting up a simulated oil spill, to be sniffed out by a crew of robots lurking in the depths below.

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