Engineering Phenomena That Break Your Brain

In this reel

Four mind-blowing engineering feats that prove humans are basically wizards.

Transcript

If you whisper against a curved dome wall, someone across the room hears you perfectly clearly. Long bridges are built to sway gently on purpose, so the wind cannot tear them apart. Some modern concrete contains living organisms that seal their own cracks automatically when it rains. A brand-new bridge once shook itself to pieces in moderate wind just four months after it opened.