So continuing with the expert summary of findings, in this case with regard to the twin towers. Beginning at 1:12: Summary of problems with the NIST WTC Tower Report 1. The claim that the upper part of the towers crushed the lower part of the towers violates the laws of conservation of momentum and the law that for every action there is an equal and opposite reaction. As shown by the measured smooth uninterrupted descent of the upper portion of the North Tower. 2. NIST claims that the floor trusses in the aircraft impact zone push outward on the perimeter columns with a force of about 80 KIPS before starting to sag and pull the columns inward to cause the building to collapse. Yet there is no evidence to support this claim. Extensive photos and videos of the towers show no outward bowing of the perimeter columns at any time during the fires before the collapse. 3. NIST imposed unrealistic artificial 5 KIP forces on each floor truss to column connection over the 5 stories of the damage zone on the south face of the North Tower in order to make their collapse initiation model work. This amounts to a lateral force of about 750 KIPS applied artificially to that face of the building which cannot be justified by any rationale. 4. NIST does not investigate or explain the global collapse which occurred after the collapse initiation was supposedly initiated by the column failures in the impact zone. NIST simply states, “global collapse ensued”. 5. The NIST collapse sequence is initiated by the failure of the floor trusses in the impact zone and subsequent pulling in of the perimeter column. But the sequence ignores the fact that the core columns failed first, as evidenced by the video of the North Tower collapse showing that the antenna and hat truss resting on the core column began their descent well before the outer perimeter of the building began to fall. This fact invalidates the NIST collapse initiation theory. 6. The NIST report fails to provide any information suggesting that the load capacity of the core and perimeter columns was exceeded at any time during the collapse sequence. NIST ignored the fact that the factor of safety of 3 in the core columns and 5 in the perimeter columns would have prevented the failure mechanism that is theorized in their collapse initiation model. 7. The NIST global collapse theory depends upon the ASCE-published progressive collapse theory by Zdenek Bazant. His theory has been shown to have erroneous input data rendering it non-viable as an explanation for the observed behavior of the vertical propagation. ASCE refuses to acknowledge the errors in the input data of Bazant’s theory. NIST is composed of highly trained experts. If NIST committed one, two or even three errors, it is possible to dismiss these as accidental (although it would be unforgivable for such an investigation to fail to correct any errors). However, as can be seen by these findings, the sheer volume of errors reveal a pattern that is unmistakable, that these were deliberately designed to arrive at a very specific and improbable conclusion.