What combative spirits possessed the John ... tuned-mass dampers (TMD’s) were also installed in anticipation of uncomfortable vibration, but these are not yet in operation and no complaints have been ...

In many of the world’s tallest skyscrapers, there’s a secret device protecting the building and the people ... theory to the real world for tuned mass dampers. Trump Burger officially opens ...

As mankind progressed into the 20th century and onward, so did the height and grandiosity of its structures. With advances in construction techniques and technology, buildings and structures ...

British architect John Poulson caused ... earning the building the nickname Plywood Palace. All 10,344 windows were replaced. A tuned mass damper had to be installed when it was discovered that ...

The "tuned mass damper" can reduce the building's movements by up to 40%. Taiwan's tallest skyscraper, Taipei 101, survived a recent 7.4-magnitude earthquake with minimal damage. This is credited ...

The Taipei 101 building, once recognized as the tallest skyscraper in the world, uses an enormous tuned mass damper (basically a giant pendulum) to protect itself from earthquakes. The 660-ton ...

Known as a “tuned mass damper,” the 730-ton steel sphere is suspended between several floors at the top of the building, where it can be viewed by the public. The observatory is a popular ...

A 660-ton steel sphere hangs between the 87th and 92nd floors of Taiwan's tallest building. The "tuned mass damper" can reduce the building's movements by up to 40%. With the ability to move about ...

Felipe Berumen, of Oak Forest, working for Skyline Maintenance, washes windows on April 24, 2007, on the edge of Chicago’s John Hancock tower as diners in the Signature Room on floor 95 observe.

BOSTON-Eighteen months after paying $660.6 million for it at auction, a partnership of Normandy Real Estate Partners and Five Mile Capital Partners is selling the iconic John Hancock Tower here to ...