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He maintains jet fuel does not burn at temperatures high enough to melt steel beams

And this guy is a Physics professor? I got news for you, it doesn't need to melt it you idiot, it just needs to weaken it.

I am shocked and ashamed that a professor from my own alma mater, BYU, would take such a position and then trumpet it and drag the good name of that school through the mud. He needs to go post haste.

I am shocked and ashamed that a professor from my own alma mater, BYU, would take such a position and then trumpet it and drag the good name of that school through the mud. He needs to go post haste.

I agree completely. Though I'm not an alum, I am LDS, and ashamed to hear this hogwash coming from the Y.

"He maintains jet fuel does not burn at temperatures high enough to melt steel beams And this guy is a Physics professor? I got news for you, it doesn't need to melt it you idiot, it just needs to weaken it. I am shocked and ashamed that a professor from my own alma mater, BYU, would take such a position and then trumpet it and drag the good name of that school through the mud. He needs to go post haste.

He's probably one of those "professors" that 'got a degree' but never left the school to get a real job at a real company.

Jet fuel can most certainly- in combination with other substances and even on it's own- create enough heat to melt steel. With all the polycarbonate and other plastics and resins in building materials, along with all the broken windows acting as air vortexes, all that jet fuel combined with air rushing in broken windows could act just like a blow torch, and most probably did. This wanna be "professor" also does not understand the term "melting". It doesn't mean a substance has to turn into a pourable state. Metal sujected to heat and under extreme preasure will "melt" (more correctly-flow) much like granite does 5 miles below the surface of the earth. It looses it's tensile strength and become softer, like lead.

These guys are idiots. I hope students taking any classes from these "professors" change classes. I doubt any company in the real world of engineers would hire someone taught by a total morons like these. Their real agenda is obvious, they are members of the Marxist cult (the Democrat ultra left) with one goal in mind, to destroy America as we know it.

I got news for you, it doesn't need to melt it you idiot, it just needs to weaken it.

They just has a new "Nova" on this ... The used to think the floor trusses failed and detached

But from testing and looking at video it seem the floor trusses just started to sag as they heated up pulling the outer skin inward till it snapped...

I believed they have be able to see/measure on the video the outer skin columns slowly being pulled inward along a floor line (up to 5 feet in) until the skin columns "pop" along a floor line like a there being unzipped