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Covert Demolition

The destruction of the WTC skyscrapers bore the gross features of familiar controlled demolitions, they differed in certain ways including:

  • In all three buildings, the onset of motion of the top coincided with the emergence of the first explosive puffs rather than following it by a second or so as seen in commercial demolitions.
  • The Twin Towers, rather than imploding, exploded outward, producing gigantic dust clouds that extended hundreds of feet in all directions before reaching the ground.
  • Several lines of evidence indicate the use of aluminothermics, not normally used in commercial demolitions, in all three buildings.
  • The Twin Towers were nearly uniformly pulverized, evincing a far more energetic process than is normally used to destroy skyscrapers.

Defenders of the collapse story have suggested that differences between the Twin Towers' destruction and conventional building demolitions weigh against controlled demolition being the cause of the former. Some critics of the official story have, perhaps inadvertently, helped to reinforce this straw man by giving undue creedance to scenarios of the destruction of Twin Towers involving "miles of det chord", drilled columns, cutter charges in the Tower's bases, and other features of commercial demolitions that seem unlikely to have been involved in felling the Twin Towers.

The fact the the destruction of the WTC skyscrapers differed in certain ways from commercial demolitions has little to do with whether they were demolitions. A controlled demolition is the engineered destruction of a structure, and there are many ways to accomplish such, whatever the technical demands. For example, although aluminothermic energetic materials are not commonly used in commercial building demolitions, they are now well-represented in the US military's arsenal of tools for destroying equipment and structures.

A demolition that is planned as part of a covert operation to fit a narrative of events that attributes the total destruction of the building to a different cause (such as a jetliner crash and consequent fires) has a very different set of requirements than a demolition that is planned to legally remove a building in an urban setting. An examination of the technologies of energetic materials and wireless detonation available to insiders who had the means to coordinate the attack of 9/11/2001 suggests plausible scenarios by which the Twin Towers and Building 7 might have been subjected to controlled demolitions on 9/11/2001.

e x c e r p t
title: A Hypothetical Blasting Scenario: A Plausible Theory Explaining the Controlled Demolition of the Twin Towers Using Aluminothermic Incendiaries and Explosives with Wireless Ignition Means
authors: jim hoffman

The present scenario is a detailed hypothetical account of the method by which each of the Twin Towers was totally destroyed. Although the visible pattern of destruction of the North and South Towers differ in details, they both fit the same general description: The block above the crash zone starts to move, accompanied almost immediately by dust ejections, then disappears into the exploding dust cloud, which progresses down the vertical axis of the Tower's intact portion leaving nothing standing but portions of the core, which then falls apart. The similarities in the patterns of destruction, as well as the nearly identical structures of the Towers themselves, suggests that essentially the same method was used to destroy each Tower, with adjustments of that method to account for the differences in the plane crashes. The scenario is described for the general case of either Tower. It postulates that the plane crashes were planned and executed with some degree of precision, using their automated flight control systems, and the adjustments in the demolition method planned accordingly.

As noted in the summary of the aluminothermics evidence timeline, there is direct evidence for two broad types of thermitic pyrotechnics in the destruction of the Twin Towers:

  • Incendiaries, consisting of thermate or thermate possibly with additives such as barium nitrate
  • Explosives, consisting of aluminothermic nanocomposites including compounds rich in silicon, carbon, and hydrogen to enhance blast pressure

The scenario reflects this dichotomy in postulating that two distinct stages comprised the demolition of each Tower: a first stage in which strategically-placed thermitic incendiaries attack steelwork while the Tower is still standing, and a second stage in which widely distributed thermitic explosives shatter the Tower from top to bottom.

page last modified: 2010-12-18
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The demolitions of the Twin Towers were designed to look very different from the typical building implosions where the quantity of explosives is minimized through the careful placement of cutter charges. Although the Twin Towers were thoroughly shredded and pulverized by an uninterrupted cascade of cleary explosive action, such obvious evidence of explosives could be pushed aside with handwaving about the "enormous kinetic energy" released once the "building's defense systems failed".