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Dear Editor,
After reading in the Daily Herald the presentations made by Professor Steven E. Jones (BYU Physics) to students at UVSC and BYU, I feel obligated to reply to his "Conspiracy Theory" relating to the terrorist attacks on the World Trade Center (9/11/01).
I have studied the summary of the report by FEMA, The American Society of Civil Engineers and several other professional engineering organizations. These experts have given in detail the effects on the Towers by the impact of the commercial aircraft. I have also read Professor Jones' (referred to) 42 page unpublished report. In my understanding of structural design and the properties of structural steel I find Professor Jones' thesis that planted explosives (rather than fire from the planes) caused the collapse of the Towers, very unreliable.
The structural design of the towers was unique in that the supporting steel structure consisted of closely spaced columns in the walls of all four sides. The resulting structure was similar to a tube. When the aircraft impacted the towers at speeds of about 500 plus mph, many steel columns were immediately severed and others rendered weak by the following fires. The fires critically damaged the floors systems. Structural steel will begin to lose strength when heated to temperatures above 1000 degrees Fahrenheit. Steel bridge girders are bent to conform to the curved roadway by spot heating flanges between 800 and 1000 degrees Fahrenheit. It is easy to comprehend the loss of carrying capacity of all the structural steel due to the raging fires fed by the jet's fuel as well as aircraft and building contents.
Before one (especially students) supports such a conspiracy theory, they should investigate all details of the theory. To me a practicing structural engineer of 57 continuous years (1941-1998), Professor Jones' presentations are very disturbing.
D. Allan Firmage
"I think without exception, the structural engineering professors in our department are not in agreement with the claims made by Jones in his paper, and they don't think there is accuracy and validity to these claims" "The university is aware that Professor Steven Jones's hypotheses and interpretations of evidence regarding the collapse of World Trade Center buildings are being questioned by a number of scholars and practitioners, including many of BYU's own faculty members. Professor Jones's department and college administrators are not convinced that his analyses and hypotheses have been submitted to relevant scientific venues that would ensure rigorous technical peer review." - A. Woodruff Miller, Department Chair, BYU department of Civil and Environmental Engineering
www.et.byu.edu.../vita.php
"But jet fuel wasn't the only thing burning, notes Forman Williams, a professor of engineering at the University of California, San Diego, and one of seven structural engineers and fire experts that PM consulted. He says that while the jet fuel was the catalyst for the WTC fires, the resulting inferno was intensified by the combustible material inside the buildings, including rugs, curtains, furniture and paper. NIST reports that pockets of fire hit 1832°F."
"The jet fuel was the ignition source," Williams tells PM. "It burned for maybe 10 minutes, and [the towers] were still standing in 10 minutes. It was the rest of the stuff burning afterward that was responsible for the heat transfer that eventually brought them down."
Professor Williams received his BSE from Princeton University in 1955 and his PhD from California Institute of Technology in 1958. He then taught at Harvard University until 1964, at which time he joined the UCSD faculty. In January 1981, Professor Williams accepted the Robert H. Goddard Chair in the Department of Mechanical and Aerospace Engineering at Princeton University, where he remained until 1988, when he returned to UCSD to assume his present position. His field of specialization is combustion, and he is author of Combustion Theory (Addison, Wesley, 2nd ed., 1985) and co-author of Fundamental Aspects of Combustion (Oxford, 1993). He is a deputy editor of Combustion and Flame and a member of the editorial advisory boards of Combustion Science and Technology, Progress in Energy and Combustion Science and Archivium Combustionis.
www-mae.ucsd.edu...
"Once each tower began to collapse, the weight of all the floors above the collapsed zone bore down with pulverizing force on the highest intact floor. Unable to absorb the massive energy, that floor would fail, transmitting the forces to the floor below, allowing the collapse to progress downward through the building in a chain reaction. Engineers call the process "pancaking," and it does not require an explosion to begin"
www.asce.org...
"Demolition expert Romero regrets that his comments to the Albuquerque Journal became fodder for conspiracy theorists. "I was misquoted in saying that I thought it was explosives that brought down the building," he tells PM. "I only said that that's what it looked like."
Romero, who agrees with the scientific conclusion that fire triggered the collapses, demanded a retraction from the Journal. It was printed Sept. 22, 2001. "I felt like my scientific reputation was on the line." But emperors-clothes.com saw something else: "The paymaster of Romero's research institute is the Pentagon. Directly or indirectly, pressure was brought to bear, forcing Romero to retract his original statement." Romero responds: "Conspiracy theorists came out saying that the government got to me. That is the farthest thing from the truth. This has been an albatross around my neck for three years." - Van D. Romero, Ph.D. in Physics
infohost.nmt.edu...
www.popularmechanics.com...
Industry professionals, not bloggers with an attitude or a grudge.
Originally posted by -PLB-
English is not my 1st language.
The only way you can confidently state this is if you have spoken to and surveyed ALL truthers.
Have You????
Otherwise you are merely stating an assumption. Assumptions are not fact.
It may be an assumption, but not a baseless one. I base it on the lack of posts from truthers who call out for independent experiments. In fact, most seem to be completely satisfied already.
So in that study they put a blowtorch on small explosives samples and found pieces that were both partly reacted and partly unreacted? I don't think so.
Why keep it a secret.
Originally posted by Darkwing01
What the study says is that if you were to do that there would be. That is what the study says.
The proportion of explosives residue will decrease as both the charge size and the velocity of detonation increase.
It doesn't say that was put under a blowtorch. It also doesn't say that pieces of residue contained both reacted and unreacted material. Weren't you the one who required experimentation before you accept something? Why are you making an exception here?
Originally posted by Krusty the Klown
I don't think I can agree with you there, you are basing an opinion on an absence of evidence.
That's like saying back in the 1st Century CE that the Earth must be flat because there is no evidence it is round.
I have also never seen an initiative that demands independent experiments from Jones, something I find very odd, as that would really put the truth movement on the map (if Jones is right).
Originally posted by Darkwing01
Again, this is sheer insanity. The truth movement is dedicated to asking for A NEW INDEPENDENT INVESTIGATION.
That's what it is PLB.
YOU sir are fighting tooth and nail against the thing you accuse Jones of avoiding.
[Aside: Also, the whole one piece thing is really a bridge too far even for you PLB, do you not know what plastic explosives is? That study makes no exception for C4, which would have been an incredibly obvious material to study. RDX also comes in castable forms].
Originally posted by -PLB-
I have also never seen an initiative that demands independent experiments from Jones, something I find very odd, as that would really put the truth movement on the map (if Jones is right).
Originally posted by -PLB-
I already proposed that when every truther donated 5 dollar, you would have several hundred million dollars to do an investigation.
Originally posted by Krusty the Klown
The academic method is that other academics test Jones' findings by repeating his experiments independently and seeing if they can duplicate the results. The problem is these other academics won't touch this with a ten foot klown pole because they don't want to be vilified and ostracised like he is.
The apathy is not on his part, it is everybody elses.
Originally posted by Krusty the Klown
Isn't that what the truthers have been doing for the last 10 years????
Their own independent investigations, particularly the Architects and Engineers 9/11 movement.
Originally posted by -PLB-
The work first has to be taken seriously, which it isn't.
Forget the "academic method",
Jones should do any experiment requested in a case as important as this.
I guess my definition of independent and investigation is different.
As far as I know Architects and Engineers 9/11 do not even have a hypothesis, except that it was an inside job and somehow explosives or thermite were used.
Originally posted by Krusty the Klown
So you are actually saying we should abandon the scientific method??????
Academics are not performing monkeys. It is up to other academics to refute his findings using the same methods.
And different to that of a dictionary as well.
Yes and they have the facts and data and expertise to back up what they say using the academic/scientific method.
Having said all that I don't necessarily believe the inside job theory, as far as I'm concerned the evidence I've seen leads me to no definitive conclusion so far.
What is it with truthers and reading. You are the second person to make this kind of remark. What do you think "from Jones" means? Did you miss it? Besides, the dedication of the truth movement isn't that great. I already proposed that when every truther donated 5 dollar, you would have several hundred million dollars to do an investigation. What exactly are you waiting for? Approval from the government?
Forget the "academic method", Jones should do any experiment requested in a case as important as this.