With normal wear and tear, bridges and aircraft have their mettle tested constantly. Fortunately, inspectors monitor these stressed out bodies to avoid catastrophic failures like the Minneapolis bridge collapse last summer. We travel to Vermont and New Mexico to check out the state of the art in structural disaster prevention. To see the full segment, visit http://www.pbs.org/kcet/wiredscience/video after original broadcast. Tune in to WIRED SCIENCE on your local PBS station (check local listings). For more information, visit http://www.pbs.org/wiredscience
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