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1 .This is Scientific American 60-Second Earth. I'm David Biello. Your minute begins now.
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2 .Oil and water don't mix.
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3 .Despite that age-old axiom, it sure is hard to get spilled petroleum out of seawater, as was evident during BP's blowout in the Gulf of Mexico.
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4 .But what if you could make oil magnetic?
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5 .That thought came to physicist Arden Warner while he watched coverage of the spill back in 2010.
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6 .And it launched some garage tinkering for Warner, who by day works on improving particle accelerators at Fermilab.
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7 .He shaved iron bits from a shovel and sprinkled them atop some engine oil.
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8 .Lo and behold, a refrigerator magnet pulled the blob of oil wherever he wanted.
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9 .Now he's got a patent on the concept that he's refined over the past few years.
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10 .The Warner method requires only a relatively small amount of metal dust.
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11 .And the iron particles mix better with oil than with water, or with anything else the oil might get on, like bird feathers or plants.
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12 .Another plus: once the oil is collected, the filings can be dried off and reused.
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13 .And iron is more environmentally friendly than the chemicals currently used to disperse oil.
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14 .So maybe next time there's an oil spill and unfortunately there will be a next time, we can clean up the mess with magnets.
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15 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.
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