Material scientists have managed to move and reconfigure a type of gel using only light.
A research team from the University of Pittsburgh has demonstrated the ability to manipulate hydrogels -- the material that most contact lenses are made out of -- and has published their work in Advanced Functional Materials.
Lead author Anna Balazs, a Pitt Distinguished Professor of Chemical and Petroleum Engineering, explains: "Imagine an apartment with a particular arrangement of rooms all in one location. Now, consider the possibility of being able to shine a particular configuration of lights on this structure and thereby completely changing not only the entire layout, but also the location of the apartment. This is what we've demonstrated with hydrogels."
By: Olivia Solon,
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via Wired.co.uk
http://www.wired.co.uk/news/archive/2013-08/2/light-moves-hydrogels
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