Archived posting to the Leica Users Group, 2006/06/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]the nova episode's web site is: http://www.pbs.org/wgbh/nova/wtc/ it is well worth viewing. i watched it with my dad. my dad has been a civil engineering prof for over 40 years, at columbia, princeton and now uc irvine. on september 11th, i talked to him on the phone, and he was originally shocked that the buildings went down. but as the analysis unfolded, he, like most of his collegues, saw the bleak inevitability of the tragedy. -rei On Jun23 16:35, B. D. Colen wrote: > Hey there, Walt, climb out of your black helicopter...:-) > You actually ought to find that PBS show somewhere; it's fascinating, > impressive, and quite moving. What they claim happened is, as others have > pointed out, the central core of the building wasn't protected from the > intense heat; a series of support girders weren't anchored at either end, > but were simply resting in place. Apparently as the intense heat built up > in > the area surrounding the crash and explosion, the girders began to sag in > the middle, and since they weren't welded at the ends, they collapsed > downward, causing floor upon floor to collapse, all the way down - which is > said to explain the fact that the towers went straight down as they did. > > I'm afraid that this really is a story about exploding cigars, rather than > anything unusually sinister. > > Now, if you want to start talking about the incredible "coincidence" that > there was an "exercise" going on on the morning of 9/11, and that the > "exercise" explains why it took so damn long for planes to scramble, that's > a discussion worth having - but probably off-line or over on the Forum, and > not here. -- Rei Shinozuka shino@panix.com Ridgewood, New Jersey