The single-car electric train didn’t slow down. It should have. It had every reason to. It was July 7, 1897, on the edge of Bay City, and the bridge ahead had opened to let a sailboat go through. Red ...

This video explains how design flaws and overlooked wind effects caused the Tacoma Narrows Bridge to twist apart and fall just months after opening. Viewers learn about aeroelastic flutter, resonance, ...