Fatigued? Stressed?

Try Being an Airplane. Terrence Hertz, manager of advanced subsonic technology in NASA's Office of Aeronautics, tells how NASA is transferring nondestructive testing techniques to airlines to help them keep an aging fleet of airplanes flying safely.

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[audio] .au file (2.1 Mb), .gsm file (0.5 Mb), .ra file (0.2 Mb)