![]() “No matter how many calculations we made, the tower should not have been standing at all,” Burland told Scientific American. The top-heavy bell tower, built in 1173 on spongy ground, seemed to defy the laws of physics. Back in 1989 the soil-mechanics expert had been approached to lead a 13-member commission to save the structure from collapsing. The news came to John Burland, an emeritus professor at Imperial College in London, by way of a 4 A.M. Although that may seem small, it is a welcome gift after centuries of worry that the building would simply topple. ![]() The surprise gain straightened the landmark by four centimeters. Last week they announced that the tower had been self-correcting for more than a decade and had finally stopped. Once every year, engineers measure the Leaning Tower of Pisa’s precarious tilt.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |