Part 2/9:
The crux of the argument rests upon a disturbing observation: the majority of the material that comprised the towers did not merely collapse, disintegrate, or burn up. Instead, advocates of this alternative view suggest that much of the solid mass suspended in mid-air transitioned directly into dust. This assertion captures the imagination—how can solid steel and concrete material evaporate into fine particles? Such a transformation is incomprehensible for those conditioned to understand building collapses in traditional terms.