In this Practical Engineering video, we’re comparing theory to the real world for tuned mass dampers. Fans in Montreal loudly boo US anthem prior to Americans' 4 Nations Face-Off game vs.

To minimize the swaying, developers are putting giant counterweights called tuned mass dampers (TMDs) near the top of skyscrapers. A TMD is a giant ball made of steel or concrete that weighs ...

The "Damper Baby" is a Tuned Mass Damper, consisting of a massive steel sphere suspended between the 87th and 92nd floors, designed to absorb shock and reduce building sway. Weighing 660 metric ...