The shards of glass that showered Boston from its spectacular John Hancock Tower have become collectors' items. The sheathing that temporarily replaced the 5,000 broken windows the building became known as "the Plywood Palace"is now being used at other construction sites. Finally, after a delay of five years, officials dedicated the trembling tower last week, and tenants began moving in.
Experts believe that they have broken the building's habit of twisting in high winds and popping out its windows. To tame the tower, they installed 300 L-shaped steel reinforcement beams and a giant shock absorber consisting of 600 tons of lead...