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Technology update

Apr 25, 2008

'Buckypaper' stretches in a strange way

When most materials are stretched in one direction, they get thinner in the other directions — like a rubber band. However, researchers in the US have discovered that some types of buckypaper — sheets made of woven carbon nanotubes — increase in width when they are stretched. This unexpected property could come in handy for making composite materials, artificial muscles, gaskets and sensors, say the researchers.

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