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Tacoma Narrows Bridge (Tacoma, Wash. : 1940)


The Strangest, Most Spectacular Bridge Collapse (And How We Got It Wrong)

Many readers will likely know the story of "Galloping Gertie," the Tacoma Narrows Bridge that, on November 7, 1940, under the sway of a powerful wind, began to make powerful undulating motions - until it collapsed into the Puget Sound hundreds of feet below. But what really happened? For decades physicists have used the doomed bridge as a dramatic object lesson in resonance, the tendency of a...