Physics
Resonance Avoidance
Quick fact
The Tacoma Narrows Bridge collapse in 1940 is a classic example of resonance—and why resonance avoidance is now a fundamental principle in structural design.
Why this is interesting
Have you ever seen a singer break a wine glass with just her voice? That's resonance—a beautiful but dangerous phenomenon. How do engineers prevent skyscrapers and suspension bridges from shaking themselves apart?