Do you have chemistry comprehension issues?
A thermite reaction is simply a reaction between aluminum and rust. The products are aluminum oxide and iron. I promise I can find evidence of that in my house right now.
He found very traceable military grade nanothermite.
Do you have that in your house too?
If so, you'd better log off and run like hell
Seriously - the explosives used were rare and very traceable. Not used in any way with buildings or planes, nor with controlled demo companies. Only by military and paramilitary units. Do you see why testing one pound of metal could reveal so much about what really happened that day?
You DO want to know the truth about that day, right? If explosives WERE used, it should come out, right?