Topic: collapse

The Famous Tacoma Narrows Bridge Collapse

The Famous Tacoma Narrows Bridge Collapse

The bridge became famous as the most dramatic failure in bridge engineering history. Now, it’s also one of the world’s largest man-made reefs. The event changed forever how engineers design suspension bridges. Gertie’s failure led to the safer suspension spans we use today.

Why the World Trade Center 7 Collapsed

Why the World Trade Center 7 Collapsed

This is the official technical explanation from the NIST (National Institute of Standards and Technology) of how fire could bring down the 47 stories Salomon brothers building, in 6.5 seconds.