A. Unreasonable Speed of Collapse
Besides the theoretical arguments supporting the hypothesis that intentional demolition, not fire, brought the Towers down, the huge volume of video evidence shows conclusively an array of specific details of the Towers' collapse that are wholly consistent with the particulars of intentional demolition. The first detail is the speed with which the Towers fell. Despite the huge amount of mass and material sitting underneath them, the tops of both Towers, like with Building 7, collapsed to the ground at close to free-fall speed. To put it more bluntly, if a massive crane hoisted the top 15 floors of the North Tower to the same height at which it sat on the morning of 9/11, and then released the top to fall unimpeded to the ground with nothing but air to block its way, it would have taken approximately 10 seconds to hit down. This is virtually the same speed it took the actual top 15 floors of the North Tower to collapse. With the entire in-tact, undamaged, unaffected 90 floors worth of core building sitting underneath it, somehow providing NO further resistance to the falling building than air itself. (Remember that the impact zone of the aircraft and the subsequent fire was from floor 90 up. No other part of the building could have possibly sustained any serious damage since heat and fire go up. And the government's official theory is that the top 15 floors essentially destabilized and failed, and its then unsupported weight began to pile drive downwardly onto the rest of the 90 as yet undamaged stories.)
Somehow, in a gross violation of the laws of physics, the remaining 90 floors and core of the North Tower sitting under the damaged section of the building offered little more resistance to impede the speed of the Tower's collapse than air itself. This is another unequivocal impossibility. The only thing that can account for the speed of the Towers' collapse is controlled demolition - where cutter charges and explosives were placed throughout the core of the building, timed to explode and pop out sections of floors and beams to clear a path and create the vacuum that was necessary to account for the tumbling speed of the Twin Towers. Almost exactly like these firefighters in this video surmised on the morning of September 11 before the story got officially r