728 ton pendulum

[FeatsofClay]

http://blog.longnow.org/2008/06/25/728-ton-pendulum/

Counteracts vibration and wind in a skyscraper. With video of it moving during the chinese earthquakes.

COOL!

[Ergeheilalt]

Tuned mass damper systems were the bane of my undergraduate degree. I hate, hate, hated them.

[doc]

Tuned mass damper systems were the bane of my undergraduate degree. I hate, hate, hated them.

You know you don't mean that