FOR KIDS: An oil filter for water

A new screen can separate oil and water after they?ve mingled

Web edition : Thursday, September 13th, 2012

There?s an old saying that oil and water don?t mix. But sometimes they do ? especially when a chemical called a surfactant brings the two together. Once blended, oil and water become tough to pull apart. Unless, that is, you have a new type of sieve.

Visit the new?Science News for Kids?website?and read the full story:?An oil filter for water

Found in: Science News For Kids

Source: http://www.sciencenews.org/view/generic/id/345067/title/FOR_KIDS_An_oil_filter_for_water

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