Quote:
Originally Posted by Minte
I have been a working mechanical engineer for most of my career. Engineering is 80% mathematics and 20% blind luck. On almost every major structure ever built there is significant scale testing that goes on. Yet,ships sink,airplanes fall out of the sky,storage tanks explode and buildings do collapse.
Heated steel doesn't need to melt to lose it's tensile strength. There are many opinions on what actually brought down the twin towers. But if you investigate the actual construction methods of the floor system it becomes less of a mystery. You can put a dozen MIT PHD's in engineering together in a room and you will get a dozen different opinions. They will all see the same data yet will still have their own ideas. It's inconclusive and will always be that way.
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yes...difference of opinions exist..but i have to ask..do those opinions exist because peopel dont want to believe in something ugly lurking behind the shadows? or do they actually believe the explanations they come up with.
pancake theory? that is about all they can offer...but that would not expalin the missing mdddle columns nor the fact that pancaking should have been a much slower fall then free fall.
each floor adds resistance..it would not speed it up.