iron microspheres

Source: https://www.youtube.com/watch?v=hyFIHZwMm4w 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...

After reading how most of the insulation in the world trade center was "Slag Wool" (a type of mineral wool insulation made from iron refining) I wondered if it might have some iron microspheres in it. So a little searching led me to the above image, from...