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Read articles, including Science News stories written for ages 9-14, on the
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- A mind for math: A part of the brain associated with making memories may also predict success in learning math
- Teens take home science gold: A low-cost, self-driving vehicle; battery alternatives and analyses of galaxy clusters claim top prizes at a global high school science competition
- Flagging loose bolts: “Smart alert washer” automatically flags when a nut is coming loose, warning of potential danger
FOR KIDS: An oil filter for water
A new screen can separate oil and water after they’ve mingled
Web edition: September 13, 2012
Enlarge
A new type of filter separates water (blue) from oil (red).
Gibum Kwon, Arun K. Kota and Anish Tuteja
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.
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Citations
R. Ehrenberg. Unmixing oil and water. Science News, August 28, 2012. [Go to]
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