Web edition: September 13, 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.
R. Ehrenberg. Unmixing oil and water. Science News, August 28, 2012. [Go to]