![](https://webarchive.library.unt.edu/eot2008/20081106232323im_/http://nsf.gov/images/x.gif) News From the Field Using Nanotubes to Detect and Repair Cracks in Aircraft Wings, Other Structures
![](https://webarchive.library.unt.edu/eot2008/20081106232323im_/http://nsf.gov/images/greenlineshort.jpg)
September 27, 2007
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Researchers at Rensselaer Polytechnic Institute have developed a simple new technique for identifying and repairing small, potentially dangerous cracks in high-performance aircraft wings and many other structures made from polymer composites. Once a crack is located, engineers can use a simple new method to seal the crack, with a 70 percent recovery in strength.
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Source Rensselaer Polytechnic Institute
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