Quote:
Originally Posted by blastawaycas
Another interesting aside with regards the towers,
concrete when heated with an oxygen and acetylene flame explodes quite violently, as an engineer i have witnessed and indeed caused this when using burning equipment in close proximity to concrete, and whats more in almost completely pulverises when it does so.
Kindest regards dave caster
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You beat me to the punch line. Concrete blows into super fine talcum powder like dust - Now nano thermate / thermite residue has been found. That throws the whole thing right back up into the air if its true.