In something of an experiment, I've made a detailed video focussing on one small claim of evidence. The claim is that the presence of iron microspheres in the World Trade Center dust means that high temperature incendiaries were used to demolish it.
The video explains that you can make iron microsphere by making sparks with steel hitting or abrading things, or by burning some tiny bits of iron in a low temperature flame. I also discuss how some of the spheres found might also have been pre-existing from construction, or might have been created after the collapse during cleanup.
Much of the material in the video comes from the thread: Making Iron Microspheres - Grinding, Impacts, Welding, Burning