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It looks like a lot of windows were broken out in a short period of time, after the planes impacted.
So, has anyone here bothered to prepare and submit a comment?
Well, since you are an expert on sylips, chemtrails, ufos and other bullcrap, Why don't you submit a comment to NIST based on your vast knowlege.
For God's sake, Howard, the majority of people around here know the truth
Only the witless dupes are willing to engage your arguments anymore
My mission is to deny ignorance, As long as people like you espouse it, I will fight it.
Originally posted by HowardRoark
Here is an interesting sequence of photographs that show what appears to be molten aluminum pouring out of WTC 2 (from the general location of where much of the aircraft debris would have wound up.)
Originally posted by TheShroudOfMemphis
Originally posted by HowardRoark
Here is an interesting sequence of photographs that show what appears to be molten aluminum pouring out of WTC 2 (from the general location of where much of the aircraft debris would have wound up.)
Aluminium has a melting point of only 660.32 °C, Construction Steel has melting point of 1535° C, bit of a difference there.
There's better molten metal to talk about, like the pools found at the Cores base, what did NIST say about those??
Originally posted by HowardRoark
steel looses almost half its strength at 600 C. Did you know that?
Seven Traits of the Disinformationalist
1) Avoidance. They never actually discuss issues head-on or provide constructive input, generally avoiding citation of references or credentials. Rather, they merely imply this, that, and the other. Virtually everything about their presentation implies their authority and expert knowledge in the matter without any further justification for credibility.
2) Selectivity. They tend to pick and choose opponents carefully, either applying the hit-and-run approach against mere commentators supportive of opponents, or focusing heavier attacks on key opponents who are known to directly address issues. Should a commentator become argumentative with any success, the focus will shift to include the commentator as well.
3) Coincidental. They tend to surface suddenly and somewhat coincidentally with a new controversial topic with no clear prior record of participation in general discussions in the particular public arena involved. They likewise tend to vanish once the topic is no longer of general concern. They were likely directed or elected to be there for a reason, and vanish with the reason.
4) Teamwork. They tend to operate in self-congratulatory and complementary packs or teams. Of course, this can happen naturally in any public forum, but there will likely be an ongoing pattern of frequent exchanges of this sort where professionals are involved. Sometimes one of the players will infiltrate the opponent camp to become a source for straw man or other tactics designed to dilute opponent presentation strength.
5) Anti-conspiratorial. They almost always have disdain for 'conspiracy theorists' and, usually, for those who in any way believe JFK was not killed by LHO. Ask yourself why, if they hold such disdain for conspiracy theorists, do they focus on defending a single topic discussed in a NG focusing on conspiracies? One might think they would either be trying to make fools of everyone on every topic, or simply ignore the group they hold in such disdain. Or, one might more rightly conclude they have an ulterior motive for their actions in going out of their way to focus as they do.
6) Artificial Emotions. An odd kind of 'artificial' emotionalism and an unusually thick skin -- an ability to persevere and persist even in the face of overwhelming criticism and unacceptance. This likely stems from intelligence community training that, no matter how condemning the evidence, deny everything, and never become emotionally involved or reactive. The net result for a disinfo artist is that emotions can seem artificial. Most people, if responding in anger, for instance, will express their animosity throughout their rebuttal. But disinfo types usually have trouble maintaining the 'image' and are hot and cold with respect to pretended emotions and their usually more calm or unemotional communications style. It's just a job, and they often seem unable to 'act their role in character' as well in a communications medium as they might be able in a real face-to-face conversation/confrontation. You might have outright rage and indignation one moment, ho-hum the next, and more anger later -- an emotional yo-yo. With respect to being thick-skinned, no amount of criticism will deter them from doing their job, and they will generally continue their old disinfo patterns without any adjustments to criticisms of how obvious it is that they play that game -- where a more rational individual who truly cares what others think might seek to improve their communications style, substance, and so forth, or simply give up.
7) Inconsistent. There is also a tendency to make mistakes which betray their true self/motives. This may stem from not really knowing their topic, or it may be somewhat 'freudian', so to speak, in that perhaps they really root for the side of truth deep within. I have noted that often, they will simply cite contradictory information which neutralizes itself and the author. For instance, one such player claimed to be a Navy pilot, but blamed his poor communicating skills (spelling, grammar, incoherent style) on having only a grade-school education. I'm not aware of too many Navy pilots who don't have a college degree. Another claimed no knowledge of a particular topic/situation but later claimed first-hand knowledge of it.
Originally posted by HowardRoark
steel looses almost half its strength at 600 C. Did you know that?
In the mid-1990s British Steel and the Building Research Establishment performed a series of six experiments at Cardington to investigate the behavior of steel frame buildings. These experiments were conducted in a simulated, eight-story building. Secondary steel beams were not protected. Despite the temperature of the steel beams reaching 800-900º C (1,500-1,700º F) in three of the tests (well above the traditionally assumed critical temperature of 600º C (1,100º F), no collapse was observed in any of the six experiments).
- Appendix A of FEMA's World Trade Center Building Performance Study.
There's better molten metal to talk about, like the pools found at the Cores base, what did NIST say about those??
And you have proof that they were not aluminum?
Originally posted by wecomeinpeace
It is most likely that these are environment control airflow ducts.
Originally posted by bsbray11
It looks like a lot of windows were broken out in a short period of time, after the planes impacted.
The early, quick-burning bursts of flame feeding off the large amounts of spilled jet fuel probably knocked down some windows, yes. But do you have any evidence showing that the steady, long-term fires that then set in caused any window shatterings? That is, after all, what determines whether or not those fires actually stayed above 600 degrees Celsius, and therefore had the possibility of weakening the steel sufficiently. The actual shattering is also important, because the glass itself is what's being observed.
Black indicates that the window is open, blue that it is not visible (or undetermined)
Clearly, the fires burned through the windows over time.
I believe that the assessment of the windows after the impact means after the fireballs as well, since the intent of the ilustration is to show the extent of the window damage due to fire alone.
800º C is near the maximum flame temperature of hydrocarbons burning in air without pre-heating or pressurization of the air. Even those temperatures are usually reached only with premixed (blue) flames, such as in gas stoves and blowtorches. Diffuse flames, of the type in the WTC, tend to be far cooler.
Fires would have to be very extensive to raise the temperatures of columns to near the fire temperatures, given the thermal sinks of the steel structures. Columns of the perimeter walls and of the core structures were well coupled thermally. In order to soften columns, fires would have to exceed the capacity of the 100,000 tons of steel in each building to draw away the heat. In fact the fires did not even consume entire floors of either tower.
Heating the external columns would be especially difficult because the columns were situated outside the interior volume, with only one of the four sides adjacent to the building's interior.
Heating of core columns would be especially difficult given the apparently poor ventilation of the core regions, being further from any air supply.
As the jet fuel burned off and the fires became less severe, the columns would have cooled and regained most strength lost to elevated temperatures.
High-rise buildings are over-engineered to have strength many times greater than would needed to survive the most extreme conditions anticipated. It may take well over a ten-fold reduction in strength to cause a structural failure.
If a steel structure does experience a collapse due to extreme temperatures, the collapse remains localized to the area that experienced the high temperatures.
The kind of low-carbon steel used in buildings and automobiles bends rather than shatters. If part of a structure is compromised by extreme temperatures, it may bend in that region, conceivably causing a large part of the structure to sag or even topple. But it will not crumble into pieces.
One aspect of engineering that is not widely understood is that structures are over-engineered as a matter of standard practice. Steel structures like bridges and buildings are typically designed to withstand five times anticipated static loads and 3 times anticipated dynamic loads. The anticipated loads are the largest ones expected during the life of the structure, like the worst hurricane or earthquake occurring while the floors are packed with standing-room-only crowds. Given that September 11th was not a windy day, and that there were not throngs of people in the upper floors, the critical load ratio was probably well over 10, meaning that more than nine-tenths of the columns at the same level would have to fail before the weight of the top could have overcome the remaining columns.
Snip~~
Fire Engineering magazine, the 125-year old journal of record among America’s fire engineers and firefighters, recently blasted the investigation being conducted by the Federal Emergency Management Agency (FEMA) of the collapsed World Trade Center as a “a half-baked farce.”
Fire Engineering’s editor, William Manning, issued a “call to action” to America’s firefighters and fire engineers in the January issue asking them to contact their representatives in Congress and officials in Washington to demand a blue ribbon panel to thoroughly investigate the collapse of the World Trade Center structures Manning challenged the theory that the towers collapsed as a result of the crashed airliners and the subsequent fuel fires, saying,
“Respected members of the fire protection engineering community are beginning to raise red flags, and a resonating theory has emerged: The structural damage from the planes and the explosive ignition of jet fuel in themselves were not enough to bring down the towers.”
Manning visited the site shortly after the collapse and his photographs appeared in the October issue of Fire Engineering. None of the photos show the load-bearing central steel support columns standing or fallen, which raises the question, what caused these columns to disintegrate?
“For more than three months, structural steel from the World Trade Center has been and continues to be cut up and sold for scrap. Crucial evidence that could answer many questions about high-rise building design practices and performance under fire conditions is on the slow boat to China,” Manning said, “perhaps never to be seen again in America until you buy your next car.”
“Such destruction of evidence,” Manning wrote, “shows the astounding ignorance of government officials to the value of a thorough, scientific investigation of the largest fire-induced collapse in world history.”
Link
1) Avoidance. They never actually discuss issues head-on or provide constructive input, generally avoiding citation of references or credentials. Rather, they merely imply this, that, and the other. Virtually everything about their presentation implies their authority and expert knowledge in the matter without any further justification for credibility.
2) Selectivity. They tend to pick and choose opponents carefully, either applying the hit-and-run approach against mere commentators supportive of opponents, or focusing heavier attacks on key opponents who are known to directly address issues. Should a commentator become argumentative with any success, the focus will shift to include the commentator as well.
A) There was never a widespread shattering of windows from heat as other skyscraper fires have seen. This specifically puts the fires around or below 600 degrees Celsius.
B) The fires did not spread to other floors on their own account (ie, after the initial impact, and the elevator shaft doesn't count). Looking at other skyscraper fires that did reach such temperatures, the fires began feeding on various materials and spread throughout the buildings.
C) There was not a single piece of steel photographed or taped at the WTC that day that was glowing even a dull red, either inside either building during the fires, or during collapse, or after collapse, or at any other point on that day. I've already posted a chart showing what colors steel will glow when placed at certain temperatures. They certainly did not reach the alleged temperatures according to that chart.
3) Coincidental. They tend to surface suddenly and somewhat coincidentally with a new controversial topic with no clear prior record of participation in general discussions in the particular public arena involved. They likewise tend to vanish once the topic is no longer of general concern. They were likely directed or elected to be there for a reason, and vanish with the reason.
4) Teamwork. They tend to operate in self-congratulatory and complementary packs or teams. Of course, this can happen naturally in any public forum, but there will likely be an ongoing pattern of frequent exchanges of this sort where professionals are involved. Sometimes one of the players will infiltrate the opponent camp to become a source for straw man or other tactics designed to dilute opponent presentation strength.
5) Anti-conspiratorial. They almost always have disdain for 'conspiracy theorists' and, usually, for those who in any way believe JFK was not killed by LHO. Ask yourself why, if they hold such disdain for conspiracy theorists, do they focus on defending a single topic discussed in a NG focusing on conspiracies? One might think they would either be trying to make fools of everyone on every topic, or simply ignore the group they hold in such disdain. Or, one might more rightly conclude they have an ulterior motive for their actions in going out of their way to focus as they do.
6) Artificial Emotions. An odd kind of 'artificial' emotionalism and an unusually thick skin -- an ability to persevere and persist even in the face of overwhelming criticism and unacceptance. This likely stems from intelligence community training that, no matter how condemning the evidence, deny everything, and never become emotionally involved or reactive. The net result for a disinfo artist is that emotions can seem artificial. Most people, if responding in anger, for instance, will express their animosity throughout their rebuttal. But disinfo types usually have trouble maintaining the 'image' and are hot and cold with respect to pretended emotions and their usually more calm or unemotional communications style. It's just a job, and they often seem unable to 'act their role in character' as well in a communications medium as they might be able in a real face-to-face conversation/confrontation. You might have outright rage and indignation one moment, ho-hum the next, and more anger later -- an emotional yo-yo. With respect to being thick-skinned, no amount of criticism will deter them from doing their job, and they will generally continue their old disinfo patterns without any adjustments to criticisms of how obvious it is that they play that game -- where a more rational individual who truly cares what others think might seek to improve their communications style, substance, and so forth, or simply give up.
7) Inconsistent. There is also a tendency to make mistakes which betray their true self/motives. This may stem from not really knowing their topic, or it may be somewhat 'freudian', so to speak, in that perhaps they really root for the side of truth deep within. I have noted that often, they will simply cite contradictory information which neutralizes itself and the author. For instance, one such player claimed to be a Navy pilot, but blamed his poor communicating skills (spelling, grammar, incoherent style) on having only a grade-school education. I'm not aware of too many Navy pilots who don't have a college degree. Another claimed no knowledge of a particular topic/situation but later claimed first-hand knowledge of it.
Originally posted by bsbray11
Wow, Phoenix. Thanks for that total and absolute rebuttal. I feel so much more informed. x.x
Originally posted by bsbray11
Just for the sake of argument, I did a search and read up but can't figure out why this happened:
Any suggestions?
Originally posted by Phoenix
The rest of you (no professional experience) should not guess about things you know nothing about - its getting laughable.
[edit on 16-7-2005 by Phoenix]