Cool Jobs: Repellent chemistry

Researchers tackle a wealth of problems by creating novel surfaces that repel liquids

By Sid Perkins, 17:48 PM September 17, 2013

This is one in a series on careers in science, technology, engineering and mathematics made possible by support from the Northrop Grumman Foundation.

 

Oil and water don’t mix.

 

You have probably heard this old saying. It isn’t just folk wisdom, however. It’s chemistry. Another common expression — like water off of a duck’s back — illustrates the same basic principle. The oil on a duck’s feathers repels water and prevents the bird from getting soaked in the rain. Naturally oily feathers also hel...

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