Engadget: Ultrasonic screwdriver sniffs out carbon fiber damage, planes book a check-up with The Doctor

By Mat Smith
…This sonic screwdriver is able to detect and visualize these invisible problems by bouncing sound off the plane’s surface and, well, it’s like that hammer test, but a heck of a lot more precise. The company hopes to ready the device for regular use by the end of next year.

(via xoxogigifoxhall)

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