collapse speed

Letter to NIST

I, together with two other individuals (a Doctor of Political Sciences and a Senior Engineer), yesterday submitted the following to a number of NIST personnel, including lead investigator S. Shyam Shunder, who in 2006 said to New York Magazine "But truthfully, I don't really know. We've had trouble getting a handle on Building No. 7". The contact information used can be found at the end.

The idea was mainly to remind them that there are people who will be looking at their report (if they come up with a report one day) with a critical eye.

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Dear NIST investigators,

we undersigned wish to pose a few questions and comments to NIST regarding the still ongoing WTC 7 investigation.

NIST has stated that "no steel was recovered from WTC 7". This is clearly not accurate. FEMA has noted, e.g., that a steel sample from WTC 7 had undergone thinning due to "high temperature corrosion due to a combination of oxidation and sulfidation". FEMA continues: "Evidence of … oxidation and sulfidation with subsequent intergranular melting, was readily visible in the near-surface microstructure." Please see

Back to the basics: collapse speed

This Washington Free Press article provides a great summary of the problems with NIST's report on the Twin Towers:

It is very well written and recommendable for people new to 9/11 Truth. It contains the points that the Loose Change guys should have raised when Ronald Wieck disingenuously said that truthers are not willing to engage in dialogue against the NIST report.

A retired physics teacher emailed to me that an object dropped from the roof of the Twin Towers would have reached the ground in 12 to 13 seconds. That is, in approximately the same time in which the towers totally collapsed.

According to a Finnish Doctor of Engineering, WTC 7 collapsed even slightly faster than an apple falling the same distance through air:

The WFP article states "From high school physics, a floor by floor gravitational collapse of the undamaged 90 floors of the north tower would take almost 80 seconds, not including the time delay to break the columns of each floor". That sounds credible, but where could I get the calculations?

If and when the above holds, it is shocking to realize that the world's peer-reviewed scientific journals are not -- to Chomsky's chagrin - filled with articles debunking the NIST report and promoting controlled demolition hypotheses. It would be interesting to know to what extent such articles have been submitted for peer review and rejected. I assume not so many have been submitted in the first place.