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FW: Engineering Analysis
The math of the tragedy....
> Something that was forwarded to me...
>
>
> > This is a U of I professor's analysis of impact forces and energy
> sources
> > leading
> > to the fatal collapsing of the building(s).
> > > Professor Thomas Mackin, who is currently teaching Failure Mechanisms
> in
> > > Engineering Materials class at the University of Illinois, made this
> short
> > > presentation (8 pages attached) the day after the WTC tragedy.
> > >
> > > This presentation was made in response to the Chancellor's request for
> > > teachers to discuss with their classes the recent events of September
> > > 11th. Mackin was clearly as shaken up about the events as the rest of
> us
> > > were.
> > >
> > > He only had a short response to his final question:
> > >
> > > "As engineers, what can we do to prevent this from
> happening? --Nothing."
> > >
> > > <<WTC.pdf>>
> >
> >
> <<WTC.pdf>>
WTC.pdf