collapse. Even though this would be the first time in history anything like this has happened, and judging by the (formerly suppressed) video evidence, fire seems very very unlikely. I wouldn't waste too much time arguing with people who can't see WTC7 for what it is. A controlled demolition. It's obvious why our media refused to show the public the video footage of collapse for over 5 years. Isn't it Mike, or can you offer an explanation for this coverup? Maybe Mike Rudin can set up a poll. Have a link showing full video clips of all known footage of WTC7 collapsing, and then ask readers whether they think this is a controlled demolition or not. Comment number 90. Marcus, the information about vaporized steel comes from a couple of places. Worcester Polytechnic Institute examined the steel, has published photos of one inch thick steel flanges thinned down to a curled, nearly razor edge hole the size of a silver dollar. They said at the time this was a great mystery, although since they have largely taken the official line. Your explanation is one of the more plausible I have heard, but those that examined it -- the fire researchers at WPI -- probably would have recognized other tell tale signs of that type of energy source. Another study performed by RJ Lee for an environmental assessment of the Deutsche Bank building directly across the street from WTC and heavily damaged by debris, found vaporized alumino-silicates, vaporized lead, as well