Washington State Department of Transportation site.  Look for facts on the history of the bridges across the Tacoma Narrows, and the people involved with the making of the bridges.

                Video of the fall of the original Tacoma Narrows Bridge Take a look at a video that shows the original bridge and it collapsing.

                Mythbuster's Test out Tesla's idea of positive feedback on a bridge Tesla claimed to create an earthquake machine.  The idea behind the machine, is the same as what brought the bridge down.  Would Tesla's machine shake down a bridge like the winds by Tacoma Narrows did?

                Article from 1940 about the collapse and Leon Mossief See what was being said at the time after the bridge collapsed.  How did the builder respond to it?

                A little talk about resonance Find out a little of the science behind resonance and how it relates to bridges collapsing, as well as more mundane things.