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Thread: North Tower Exploding

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    You expertise comes from watching a single video? Okay.

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    Controlled Opposition posted:
    "...you destroy your argument when you say that the fire (now singular) burned in a single spot, producing sufficient heat to evenly heat the structures of both towers, causing them to collapse."


    I said no such thing. Get the facts straight if you want to be taken seriously.

    CO added: "The 28 pages should be enough for one with critical thinking skills to realize that the official version is bovine excrement."

    For years you were telling everyone that the redacted pages of the Congressional Inquiry showed that Israel did it. Then the pages were released ... and not a word about Israel.

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    Building 7 was not hit with an airplane.

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    Quote Originally Posted by Tranquillus in Exile View Post
    Yes, and they also didn't collapse "at or near free fall" - there was massive resistance. But try telling "truthers" that.
    It looked close to free fall to me. That's exactly the way columns collapse when massively overloaded. The buckling occurs at explosive speed, not at all like a beam overloaded.

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    Quote Originally Posted by Right View Post
    It looked close to free fall to me. That's exactly the way columns collapse when massively overloaded. The buckling occurs at explosive speed, not at all like a beam overloaded.
    Hello, Right. We don't have to rely on what it looked like.

    The most precise measurements of the collapse were made by Frank Greening, who analyzed the video record to track the motion of a fixed point at the top of each tower until it was obscured by dust. The results are on page 902 of this paper in the Journal of Engineering Mechanics:

    http://www.civil.northwestern.edu/pe...Papers/476.pdf

    For example, the North Tower fell 30 meters in the first 3 seconds, an average acceleration of

    2x30 / 3^2 = 6.67 m/sec^2 = 0.68g - two thirds of free fall.

    9/11 truthers, however, say that the collapse was "at or near free fall", from which they infer that the support columns must have been cut by explosives on every storey before the descending mass reached that level. This is one of their big proof points for "controlled demolition". But their data is/are faulty.

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    Truthers also say that a gravity-driven collapse of the twin towers is impossible because the top quarter of a building cannot crush down the lower three-quarters. Chandler and others claim that this would violate Newton's third law of motion.

    If anyone is inclined to believe this, I ask you to look at the last part of this vérinage compilation (3:13 mark):



    Chandler uses other clips from the same compilation in his videos, but never mentions the last part.

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    The answer is zero. The buildings just fell down.

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    Quote Originally Posted by Nordberg View Post
    The buildings just fell down.
    Like this ...

    9:53am. The South Tower perimeter columns are seen bowing inwards:
    https://tinyurl.com/nkfz4dk

    9:59am. The columns buckle and the collapse starts:

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    Quote Originally Posted by Tranquillus in Exile View Post
    Hello, Right. We don't have to rely on what it looked like.

    The most precise measurements of the collapse were made by Frank Greening, who analyzed the video record to track the motion of a fixed point at the top of each tower until it was obscured by dust. The results are on page 902 of this paper in the Journal of Engineering Mechanics:

    http://www.civil.northwestern.edu/pe...Papers/476.pdf

    For example, the North Tower fell 30 meters in the first 3 seconds, an average acceleration of

    2x30 / 3^2 = 6.67 m/sec^2 = 0.68g - two thirds of free fall.

    9/11 truthers, however, say that the collapse was "at or near free fall", from which they infer that the support columns must have been cut by explosives on every storey before the descending mass reached that level. This is one of their big proof points for "controlled demolition". But their data is/are faulty.
    This is a 30 second clip of a reinforced concrete column that demonstrates the explosive nature of collapse. It is slowly overloaded by hydraulics, which is similar to the mechanism causing the first of the WTC floors to collapse, a constant load with the columns being weakened by heating. Now imagine a dynamic load, the intact floors above falling onto those below.


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    Quote Originally Posted by evince View Post
    Gods, that gave me chills, and so did the prior one.

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    survivor quilt must be horrible


    questioning why you made it out and others didnt


    I guess its one benifit of being a non believer and being able to know that there was no rhyme or reason why you made it out.


    he effected his own survival by being against the wall


    but it was still just a very huge chunk of luck

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    Quote Originally Posted by Tranquillus in Exile View Post
    Controlled Opposition posted:
    "...you destroy your argument when you say that the fire (now singular) burned in a single spot, producing sufficient heat to evenly heat the structures of both towers, causing them to collapse."


    I said no such thing. Get the facts straight if you want to be taken seriously.

    CO added: "The 28 pages should be enough for one with critical thinking skills to realize that the official version is bovine excrement."

    For years you were telling everyone that the redacted pages of the Congressional Inquiry showed that Israel did it. Then the pages were released ... and not a word about Israel.
    Even the 28 pages were redacted, but they do say that multiple foreign governments were behind 9-11. The evidence against Israel is overwhelming. Your problem is that you are a statist, who can't stand the idea that elements of "our" government would participate in the murder of it's own constituents, or cover up such criminal activity. That's why the years that you and I have been debating 9-11 have been a waste of my time.

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    Quote Originally Posted by Controlled Opposition View Post
    Even the 28 pages were redacted, but they do say that multiple foreign governments were behind 9-11. The evidence against Israel is overwhelming. Your problem is that you are a statist, who can't stand the idea that elements of "our" government would participate in the murder of it's own constituents, or cover up such criminal activity. That's why the years that you and I have been debating 9-11 have been a waste of my time.
    As usual you're putting words into my mouth. My argument is not that elements of the government WOULDN'T have done it (although what for is hard to imagine). It's that they COULDN'T have done it in anything like the way that 'truthers' claim.

    There is no evidence that anyone was involved except Islamist terrorists, possibly with assistance from some level of the labyrinthine KSA government. They did it by flying jetliners full of fuel into the towers, which burned on several floors until the combined effects of impact damage and heat caused some perimeter columns to buckle, triggering the collapse.

    Here it is happening. Watch:

    Last edited by Tranquillus in Exile; 01-19-2018 at 05:59 PM.

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