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「飛行機ではなく爆弾がＷＴＣを倒壊させた」ＰＹ大物理学教授Steven E. Jones
１１月１１日付のThe Truth Seekerは、前日の１０日付のdesrtnews.comのUtah News欄の記事Y. professor thinks bombs, not planes, toppled WTC（プリガム・ヤング代教授は、飛行機ではなく爆弾がＷＴＣを倒壊させたと考える）と題された記事を引用しています。
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http://www.thetruthseeker.co.uk/article.asp?ID=3808
Y. professor thinks bombs, not planes, toppled WTC
（元情報）
http://deseretnews.com/dn/view/1%2C1249%2C635160132%2C00.html
Y. professor thinks bombs, not planes, toppled WTC
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これによりますと、プリガム・ヤング大学物理学教授Steven E. Jonesは、ＷＴＣの倒壊速度とシンメトリカルな倒壊の仕方は、公式発表が間違っていることを証明する、「予め設置された爆発物」が３つのビルディングすべてにあったようだ、という研究結果をネット上で発表しています。（下のＵｒｌがその論文です。）
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http://www.physics.byu.edu/research/energy/htm7.html
Why Indeed Did the WTC Buildings Collapse?
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Jonesは核融合と太陽エネルギーの研究者ですが、教授は９・１１のＷＴＣ崩壊に関する研究を何ヶ月も続けて、その結果をこの９月にプリガム・ヤング大学で発表したそうです。desrtnews.comの記事には次のように書かれています。
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またJonesは、９・１１で何が起こったのかに関する陰謀論には「偽科学（"junk science"）」があるのだが、しかし『爆破による解体仮説は繰り返しによるテストと節約原理をよりよく満足させるため、これは「偽科学」ではない。』と認識している。
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「節約原理」というのはPrinciple of Parsimonyの訳ですが、同程度の説明能力の仮説が複数ある場合には，最も簡単な記述の仮説が一般性が高く価値が高いとする原理のことです。
記事の後半では、Jones教授が「爆発物によるビル解体である」と結論付けた根拠が簡単にまとめてありますが、時間と興味のある人は直接に論文の方に当たってみたほうが良いと思います。多くの写真を添えた分かりやすい論文です。
以下にそのdesrtnews.comの記事を貼り付けておきます。
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Y. professor thinks bombs, not planes, toppled WTC
Thursday, November 10, 2005
By Elaine Jarvik
Deseret Morning News
The physics of 9/11 — including how fast and symmetrically one of the World Trade Center buildings fell — prove that official explanations of the collapses are wrong, says a Brigham Young University physics professor.
In fact, it's likely that there were "pre-positioned explosives" in all three buildings at ground zero, says Steven E. Jones.
In a paper posted online Tuesday and accepted for peer-reviewed publication next year, Jones adds his voice to those of previous skeptics, including the authors of the Web site www.wtc7.net, whose research Jones quotes. Jones' article can be found at www.physics.byu.edu/research/energy/htm7.html.
Jones, who conducts research in fusion and solar energy at BYU, is calling for an independent, international scientific investigation "guided not by politicized notions and constraints but rather by observations and calculations.
"It is quite plausible that explosives were pre-planted in all three buildings and set off after the two plane crashes — which were actually a diversion tactic," he writes. "Muslims are (probably) not to blame for bringing down the WTC buildings after all," Jones writes.
As for speculation about who might have planted the explosives, Jones said, "I don't usually go there. There's no point in doing that until we do the scientific investigation."
Previous investigations, including those of FEMA, the 9/11 Commission and NIST (the National Institutes of Standards and Technology), ignore the physics and chemistry of what happened on Sept. 11, 2001, to the Twin Towers and the 47-story building known as WTC 7, he says. The official explanation — that fires caused structural damage that caused the buildings to collapse — can't be backed up by either testing or history, he says.
Jones acknowledges that there have been "junk science" conspiracy theories about what happened on 9/11, but "the explosive demolition hypothesis better satisfies tests of repeatability and parsimony and therefore is not 'junk science.' "
In a 9,000-word article that Jones says will be published in the book "The Hidden History of 9/11," by Elsevier, Jones offers these arguments:
• The three buildings collapsed nearly symmetrically, falling down into their footprints, a phenomenon associated with "controlled demolition" — and even then it's very difficult, he says. "Why would terrorists undertake straight-down collapses of WTC-7 and the Towers when 'toppling over' falls would require much less work and would do much more damage in downtown Manhattan?" Jones asks. "And where would they obtain the necessary skills and access to the buildings for a symmetrical implosion anyway? The 'symmetry data' emphasized here, along with other data, provide strong evidence for an 'inside' job."
• No steel-frame building, before or after the WTC buildings, has ever collapsed due to fire. But explosives can effectively sever steel columns, he says.
• WTC 7, which was not hit by hijacked planes, collapsed in 6.6 seconds, just .6 of a second longer than it would take an object dropped from the roof to hit the ground. "Where is the delay that must be expected due to conservation of momentum, one of the foundational laws of physics?" he asks. "That is, as upper-falling floors strike lower floors — and intact steel support columns — the fall must be significantly impeded by the impacted mass. . . . How do the upper floors fall so quickly, then, and still conserve momentum in the collapsing buildings?" The paradox, he says, "is easily resolved by the explosive demolition hypothesis, whereby explosives quickly removed lower-floor material, including steel support columns, and allow near free-fall-speed collapses." These observations were not analyzed by FEMA, NIST nor the 9/11 Commission, he says.
• With non-explosive-caused collapse there would typically be a piling up of shattering concrete. But most of the material in the towers was converted to flour-like powder while the buildings were falling, he says. "How can we understand this strange behavior, without explosives? Remarkable, amazing — and demanding scrutiny since the U.S. government-funded reports failed to analyze this phenomenon."
• Horizontal puffs of smoke, known as squibs, were observed proceeding up the side the building, a phenomenon common when pre-positioned explosives are used to demolish buildings, he says.
• Steel supports were "partly evaporated," but it would require temperatures near 5,000 degrees Fahrenheit to evaporate steel — and neither office materials nor diesel fuel can generate temperatures that hot. Fires caused by jet fuel from the hijacked planes lasted at most a few minutes, and office material fires would burn out within about 20 minutes in any given location, he says.
• Molten metal found in the debris of the World Trade Center may have been the result of a high-temperature reaction of a commonly used explosive such as thermite, he says. Buildings not felled by explosives "have insufficient directed energy to result in melting of large quantities of metal," Jones says.
• Multiple loud explosions in rapid sequence were reported by numerous observers in and near the towers, and these explosions occurred far below the region where the planes struck, he says.
Jones says he became interested in the physics of the WTC collapse after attending a talk last spring given by a woman who had had a near-death experience. The woman mentioned in passing that "if you think the World Trade Center buildings came down just due to fire, you have a lot of surprises ahead of you," Jones remembers, at which point "everyone around me started applauding."
Following several months of study, he presented his findings at a talk at BYU in September.
Jones says he would like the government to release 6,899 photographs and 6,977 segments of video footage for "independent scrutiny." He would also like to analyze a small sample of the molten metal found at Ground Zero.
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