The Physics To Go website will be unavailable Friday evening through Saturday afternoon as electrical work occurs in the American Center of Physics server room. Down time will begin at 6PM Eastern Time on Friday. Service is expected to resume by 6PM on Saturday, July 30.
This site, from the University of Bristol, contains a series of photographs and video clips from the collapse of the Tacoma Narrows suspension bridge. Images and captions depict the wind-induced vibrations and torsion that led to failure of the bridge. Links are also provided to a video of the bridge failure and to scale model tests.
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