Choosing a wave could accelerate airplane maintenance

[unable to retrieve full-text content]Ultrasonic waves can find bubbles and cracks in adhesive bonds holding airplane composite parts together, and now aerospace engineers can select the best frequencies to detect adhesive failures in hard-to-reach places more quickly.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/jQWFE7Z3XeQ/130723155050.htm

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