From that last post that "debunked" the Yahoo! article:When NIST and UL built scale models of floor trusses, ...http://www.nist.gov/public_affairs/factsheet/wtc_fire_resistance_data.htmThere's an article about what NIST discovered at the UL facility in Toronto. That poster totally misrepresents the intention of that study and the conclusions that they reached. The entire study as a PDF is here http://www.nist.gov/public_affairs/releases/ULTestResults.pdf
The four laboratory tests provide only a means for evaluating the relative fire resistance rating of the floor systems under standard fire conditions and according to accepted test procedures. Shyam Sunder, lead investigator of the NIST WTC investigation, cautions, "These tests alone cannot be used to determine the actual performance of the floor systems in the collapse of the WTC towers. However, they are already providing valuable insight into the role that the floors may have played in causing the inward bowing of the perimeter columns minutes before both buildings collapsed.""The fire conditions in the towers on 9-11 were far more extreme than those to which floor systems in standard U.S. fire rating tests are subjected," Sunder says. "Our investigation's final assessment of how the floor system performed in the WTC fires also must consider factors such as the combustible fuel load of the hijacked jets, the extent and number of floors involved, the rate of the fire spread across and between floors, ventilation conditions, and the impact of the aircraft-damaged towers' ability to resist the fire."
from dogdaze's link:
The woman started speechifying again and finally was shouted down by the crowd, which was strongly left-leaning but apparently not insane.
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