Its an amazing sight. The 730 ton steel sphere in Taipei skyscraper 101 with 100 stories is suspended between several floors at the top of the building as a mass damper to take the violent swinging shock of earthquakes. It can cut the building's swinging in an earthquake by 40%. This has saved occupants during this week's earthquake in Taipei. Closed circuit TV footage shows the building hardly moving which is amazing. The technology is displayed openly in this building built in 2004 as the tallest in the world. In addition 380 piles are driven 100 feet into the ground. Taiwan is located in a seismic active zone prone to earthquakes.
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