I just proved to everyone on this board that reinforced concrete WAS NOT used as a structural element in the WTC towers -- unless you want to claim t...

I understand that repetition facilitates the learning process.

You are confused by the terminology. The walls of the elevator shafts (and the stairwells) were wall-boarded: "Worried that the intense air pressure...

Thanks for writing. The statement you reference was made by the structural engineer of the building, who is speaking most directly about the load-bear...

I just proved to everyone on this board that reinforced concrete WAS NOT used as a structural element in the WTC towers -- unless you want to claim t...

You seem not to have understood this part of the museum's response to my inquiry about reinforced concrete: "The statement you reference was made by t...

Thanks for writing. The statement you reference was made by the structural engineer of the building, who is speaking most directly about the load-bear...

Apparently your boundless ego prevents you from understanding this simple concept: You claim Robertson is an authorative source- we agree. Why is...

It appears that our concrete-reinforced core perimeter thesis has carried the day, since we have evidently returned to the beginning of the causation ...

Except the fact that he apparently expected the buildings to fall at some point- he was not surprised that they fell. I'm again prompted to recommend...

Ah the MIND READING technique!! Yes, when evidence doesn't materialize or the people involved say things that don't fit the conspiracy theory, just c...

Did he not say that he was surprised the buildings stayed up as long as they did? No, he said he was proud, and I suppose he was trying to cast the in...

If I may make a suggestion for F. and JP: Go ahead and concede that, as obviously is the case, there was a rebar-reinforced concrete core perimeter...

"The towers were believed to have been the first to rely on "shaft-wall" interior cores, made of gypsum-based wallboard instead of harder materials, m...

The MSNBC report, that you've posted, actually helps my case. Read the MSNBC report carefully, nowhere does Roberson claim that the WTC core was co...