Posted on 07/29/2010 3:50:42 AM PDT by Daffynition
Professor John Burland has spent the last two decades striving to save - and understand - the Leaning Tower of Pisa. After defying gravity, Italian bureaucracy and accusations of corruption, it seems hes finally cracked the case.
[snip]
Via his data analysis, Burland unlocked the 800-year mystery as to why the tower leans south not north: namely, a fluctuating water-table on the upper layer of silt. By a quirk of local geography, Pisas water-table rose higher on the towers north side, often reaching within one foot in rainy season, and this gave the tower an annual ratchet southward.
Armed with this vital information, in 2003, Burland introduced a new drainage system beneath the piazzas north side, one that lowered and stabilised the water-table, so theres no kick in either direction. Problem solved.
[snip]
(Excerpt) Read more at telegraph.co.uk ...
That is the best photo posted in this thread, so far!
|
|||
Gods |
Thanks Daffynition. |
||
· Discover · Bronze Age Forum · Science Daily · Science News · Eurekalert · PhysOrg · · Nat Geographic · Texas AM Anthro News · Yahoo Anthro & Archaeo · Google · · Archaeology · The Archaeology Channel · Excerpt, or Link only? · cgk's list of ping lists · · History topic · history keyword · archaeology keyword · paleontology keyword · · Science topic · science keyword · Books/Literature topic · pages keyword · · |
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.