squibs

Watch the attic vent -- you can see a planted squib explode to help collapse the roof! http://www.liveleak.com/view?i=d96_1206130066

I really like conspiracy theories and theorists, but I have never been convinced that 9/11 was an inside job. However, there is this one video of the puffs of smoke, which I think most of you have seen, that baffles me. I know the puffs come from air being compressed out, but there in this...

So I'm arguing with this Truther, and he gives me this video: http://www.metacafe.com/watch/744529/9_11_new_collapse_footage_rare_demo_clearly_seen/ He directs me to the thing that appears at the bottom-left hand side of the screen at around 2:31 in the video. I've circled it for you in red...

A masonry building on the Portuguese island of Sao Miguel collapsed on its own accord yesterday, fortunately noone was injured. But this collapse has all the CTers hallmarks of a controlled demolition; sudden and near-total collapse, copious amounts of dust and even a couple of "squib-like"...

Consider this picture: http://s18.photobucket.com/albums/b108/janedoe444/ARG/Image231.jpg Observe that the expulsions of smoke and debris are occurring well below the main collapse front. It has been suggested by OCTs that floor assemblies are falling ahead of the main collapse. These falling...

In looking at the videos it seems to me that the squibs, while blowing out the windows pretty rapidly, are going more slowly than I would expect from explosions. Has anyone looked into this, comparing the speed of demo squibs to the speed of the WTC puffs?