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Published online 20 July 2005 | Nature | doi:10.1038/news050718-7
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Quick change for super sponge
Heat turns material from waterproof to water-friendly.
Just a little heat is enough to turn a waterproof block of foam into a sponge, a group of scientists reports.
Neil Shirtcliffe and his colleagues from Nottingham Trent University, UK, don't quite know what their nifty materials could be used for.
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