Billosaur's Journal: Interesting Anniversary

Today marks the 67th anniversary of one of the most famous engineering disasters of the 20th Century: the failure of the Tacoma-Narrows bridge. "Galloping Gertie", as the bridge was referred to because of its propensity to move, was subjected to 35-40 mile per hour winds this day in 1940, causing the center span to begin a harmonic oscillation that eventually led to structural failure. It was a unique event for the time in that the collapse was filmed, allowing engineers a spectacular view of the bridge's failure.

Neat!

[Rob T Firefly]

I always wondered what the bouncy bridge in that stock footage was. Much obliged!