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The Mysterious Collapse of WTC7

The Mysterious Collapse of WTC Seven

Why NIST’s Final 9/11 Report is Unscientific and False

by Prof. David Ray Griffin

At 5:21 in the afternoon of 9/11, almost seven hours after the Twin Towers had come down, Building 7 of the World Trade Center also came down. The collapse of this building was from the beginning considered a mystery.

The same should have been true, to be sure, of the collapse of the Twin Towers. But they had been hit by planes, which had ignited big fires in them, and many people assumed this combination of causes to be sufficient to explain why they came down.

But WTC 7 had not been hit by a plane, so it was apparently the first steel-framed high-rise building in the known universe to have collapsed because of fire alone. New York Times writer James Glanz quoted a structural engineer as saying: “[W]ithin the structural engineering community, [WTC 7] is considered to be much more important to understand [than the Twin Towers],” because engineers had no answer to the question, “why did 7 come down?”

From a purely scientific perspective, of course, there would have been an obvious answer. Scientists, presupposing the regularity of nature, operate on the principle that like effects generally imply like causes. Scientists are, therefore, loathe to posit unprecedented causes for common phenomena. By 9/11, the collapse of steel-framed high-rises had become a rather common phenomenon, which most Americans had seen on television. And in every one of these cases, the building had been brought down by explosives in the process known as controlled demolition. From a scientific perspective, therefore, the obvious assumption would have been that WTC 7 came down because explosives had been used to remove its steel supports.

However, the public discussion of the destruction of the World Trade Center did not occur in a scientific context, but in a highly charged political context. America had just been attacked, it was almost universally believed, by foreign terrorists who had flown hijacked planes into the Twin Towers, and in response the Bush administration had launched a “war on terror.” The idea that even one of the buildings had been brought down by explosives would have implied that the attacks had not been a surprise, so this idea could not be entertained by many minds in private, let alone in public.

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