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Originally posted by Soloist
why in the world should the rack break apart so violently from just the mass of the cue ball hitting it??? Magic perhaps?
Originally posted by Mark Roberts
Don't support these incompetents, frauds, and morons.
Originally posted by Griff
reply to post by Taxi-Driver
I understand what you're saying. But, doesn't this make you think about the statements from our leaders that they "couldn't fathom airplanes being used as weapons"? Think about it.
Especially since WWII ended in 1945.
Couldn't fathom it my arse.
Originally posted by sigung86
Being a FAIR SKEPTIC, I have to say, after reading this thread... You all are the same kind of warring camp as the UFO family. A large, and largely dysfunctional family, at that.
Originally posted by Soloist
No, I won't leave them out, not ever.
NIST developed a method to characterize maximum temperatures experienced by steel members using observations of paint cracking due to thermal expansion. The method can only probe the temperature reached; it cannot distinguish between pre- and post-collapse exposure. More than 170 areas were examined on the perimeter column panels ...
Only three locations had evidence that the steel reached temperatures above 250 °C.
These areas were:
• WTC 1, east face, floor 98, column 210, inner web,
• WTC 1, east face, floor 92, column 236, inner web,
• WTC 1, north face, floor 98, column 143, floor truss connector
Other forensic evidence indicates that the last example probably occurred in the debris pile after collapse. Annealing studies on recovered steels established the set of time and temperature conditions necessary to alter the steel microstructure. Based on the pre-collapse photographic evidence, the microstructures of steels known to have been exposed to fire were characterized. These microstructures show no evidence of exposure to temperatures above 600 °C for any significant time.
The tower maintained its stability with the removal of columns in the
exterior walls and core columns representative of aircraft impact and
also after losing columns in the south wall due to fire effects with some
reserve capacity left, indicating that additional weakening or loss of
other structural members is needed to collapse the tower.
Originally posted by ULTIMA1
Originally posted by Soloist
No, I won't leave them out, not ever.
So your saying the NIST, FEMA and all the other reports are wrong that the buildings withstood the planes impacts?
And that these same reports are wrong when they state the fires did not burn long enough or get hot enough to cause the collapse?
The two aircraft hit the towers at high speed and did considerable damage to principal
structural components (core columns, floors, and perimeter columns) that were directly
impacted by the aircraft or associated debris. However, the towers withstood the impacts and
would have remained standing were it not for the dislodged insulation (fireproofing) and the
subsequent multi-floor fires.
In each tower, a different combination of
impact damage and heat-weakened structural components contributed to the abrupt structural
collapse.
The WTC towers likely would not have collapsed under the combined effects of aircraft
impact damage and the extensive, multi-floor fires that were encountered on September 11,
2001 if the thermal insulation had not been widely dislodged or had been only minimally
dislodged by aircraft impact.
NIST found no corroborating evidence for alternative hypotheses suggesting that the WTC
towers were brought down by controlled demolition using explosives planted prior to
September 11, 2001. NIST also did not find any evidence that missiles were fired at or hit
the towers. Instead, photographs and videos from several angles clearly showed that the
collapse initiated at the fire and impact floors and that the collapse progressed from the
initiating floors downward, until the dust clouds obscured the view.
Originally posted by Soloist
There is no way to twist it, it's clear as a bell.
The early news reports noted how well the towers withstood the initial impact of the aircraft; however, when one recognizes that the buildings had more than 1,000 times the mass of the aircraft and had been designed to resist steady wind loads of 30 times the weight of the aircraft, this ability to withstand the initial impact is hardly surprising. Furthermore, since there was no significant wind on September 11, the outer perimeter columns were only stressed before the impact to around 1/3 of their 200 MPa design allowable.
Given that the vast majority of the volatile jet fuel was consumed inside five minutes of each crash, the fires subsequently dwindled, limited to the fuels of conventional office fires. The fires in both towers diminished steadily until the South Tower's collapse. Seconds before, the remaining pockets of fire were visible only to the firefighters and victims in the crash zone. A thin veil of black smoke enveloped the tower's top. In the wake of the South Tower's fall new areas of fire appeared in the North Tower.
This summary is supported by simple observations of the extent and brightness of the flames and the color and quantity of smoke, using the available photographic and video evidence.
Visible flames diminished greatly over time. Significant emergence of flames from the building is only seen in a region of the North Tower 10 stories above the impact zone.
South Tower: Virtually no flames were visible at the time of its collapse.
North Tower: Flames were visible in several areas at the time of its collapse. A region of flames on the 105th floor is seen after the South Tower collapse.
The smoke darkened over time. While the fires in both towers emitted light gray smoke during the first few minutes following the impacts, the color of the smoke became darker.
South Tower: Smoke from the fires was black by the time it collapsed. At that time it was only a small fraction of the volume of the smoke from the North Tower.
North Tower: Smoke from the fires had become much darker by the time the South Tower was struck, 17 minutes after the fires were ignited. The smoke was nearly black when the South Tower collapsed. Thereafter the smoke appears to have lightened and emerged from the building at an accelerated rate.
After the fall of the South Tower, the North Tower continued to produce prodigious quantities of smoke, and showed regions of active fires. See photographs.
Dark smoke implies the presence of soot, which is composed of uncombusted hydrocarbons. Soot is produced when a fire is oxygen-starved, or has just been extinguished. Soot also has a high thermal capacity and may act to rob a fire of heat by carrying it away.
There appears to be no evidence of fires within the buildings' cores. It can be assumed that most of the fires were near the perimeters of the towers where broken windows around the crash zone allowed them a supply of air. The cores were an average distance of about 70 feet from the nearest walls, and had much less flammable material than the surrounding offices. The impact gash in the North Tower provided a line of sight to the core. Available photographs and videos show the gash as consistently dark, showing no signs of fire in the building's core.
No testing for explosives (or sulfidation or other residue of any kind) was performed.
Originally posted by ULTIMA1
Originally posted by Soloist
There is no way to twist it, it's clear as a bell.
No, its not as clear as a bell.
Originally posted by mazzroth... the saps who nostalgically think the USA was attacked by cave dwellers that day.
Originally posted by ANOK
It has been PROVED over and over that the fires could not have possibly cause the global failure we saw. It's been PROVED, and even NIST agree, that the planes impact had no effect on the collapse.
...that's why I keep repeating the same thing. There is nothing left to argue
Originally posted by ANOK
It has been PROVED over and over that the fires could not have possibly cause the global failure we saw. It's been PROVED, and even NIST agree, that the planes impact had no effect on the collapse. But you all want to ignore what's right in front of your eyes and to keep
Rodriguez was headed in for a regular day of work as a 19-year veteran janitor at the twin towers on Sept. 11, 2001, when the first plane crashed into the building. Using his janitorial keys, he helped rescue hundreds of people from the building and was recognized as a national hero for his bravery. But Rodriguez is increasingly skeptical of the official accounts of 9/11, and is touring the country demanding answers.
Now, Rodriguez is touring the country pushing for further investigation of the events . As an advocate for 9/11 families and the Latino community, Rodriguez believes he’s been sent “on a mission” to act as a voice for these communities. “I was given the opportunity to survive and now I’m doing that mission.” And he’s not exactly happy about it: He says “it’s a burden” and he “hates” doing it.
...
Rodriguez will be in Portland on Tuesday, Nov. 6, where he will talk about his experiences and what he plans to do in the future at Berbati’s Pan, 231 SW Ankeny, at 7 pm . Admission $10. Sponored by portland911truthalliance.org.
Mark Roberts writes on Nov 5th, 2007 5:21pm
Mark Roberts writes on Nov 5th, 2007 5:21pm
Comment 8 | Respond
Rodriguez behaved bravely on 9/11. Unfortunately, since then much of what he has claimed is patently false, his story has completely changed, and he has chosen to spread these falsehoods in the company of extremely disreputable people. See my paper "William Rodriguez: Escape Artist"at 911stories.googlepages.com.
wweek.com...
He says an explosion occurred seven seconds before the first plane hit the towers, and came from below, not above. But when he first began to report this, he described the explosion as a “rumble,” like furniture moving. Today, he remembers it as a “POW!” Rodriguez claims the difference is due to translation errors, but his accounts of the explosion have gotten more and more dramatic over the years.
wweek.com...
Rodriguez also previously claimed a large fireball shot through the elevator shaft, exploding through the doors and burning the skin off one man’s body. But three years ago, Rodriguez began to back away from his account, claiming it was impossible for a fireball to have existed. Now, he says he was just going along with the official accounts of the New York fire department. “I was repeating everything as they told me to,” he says. At the time, Rodriguez claims he was being courted by members of the Republican Party , whose names he won’t disclose, to run for political office. “I was going with the official story,” he says. But Rodriguez says that once he started investigating, the story didn’t make sense.
wweek.com...
Typical temperatures of fires and flames
* Oxyhydrogen flame: 2000 °C or above) (3645 °F) [4]
* Bunsen burner flame: 1300 to 1600 °C (2372 to 2912 °F) [5]
* Blowtorch flame: 1,300 °C (2372 °F) [6]
* Candle flame: 1000 °C (1832 °F)
* Smoldering cigarette:
o Temperature without drawing: side of the lit portion; 400 °C (750 °F); middle of the lit portion: 585 °C (1110 °F)
o Temperature during drawing: middle of the lit portion: 700 °C (1290 °F)
o Always hotter in the middle.
Temperatures of flames by appearance
The temperature of flames with carbon particles emitting light can be assessed by their color:[7]
* Red
o Just visible:977°F (525 °C)
o Dull: 1290 °F (700 °C)
o Cherry, dull: 1470 °F (800 °C)
o Cherry, full: 1650 °F (900 °C)
o Cherry, clear: 1830 °F (1000 °C)
* Orange
o Deep: 2010 °F (1100 °C)
o Clear: 2190 °F (1200 °C)
* White
o Whitish: 2370 °F (1300 °C)
o Bright: 2550 °F (1400 °C)
o Dazzling: 2730 °F (1500 °C)
Originally posted by Soloist
And on the topic at hand:
NIST found no corroborating evidence for alternative hypotheses suggesting that the WTC
towers were brought down by controlled demolition using explosives planted prior to
September 11, 2001. NIST also did not find any evidence that missiles were fired at or hit
the towers. Instead, photographs and videos from several angles clearly showed that the
collapse initiated at the fire and impact floors and that the collapse progressed from the
initiating floors downward, until the dust clouds obscured the view.
There is no way to twist it, it's clear as a bell.
12. Did the NIST investigation look for evidence of the WTC towers being brought down by controlled demolition? Was the steel tested for explosives or thermite residues? The combination of thermite and sulfur (called thermate) "slices through steel like a hot knife through butter."
NIST did not test for the residue of these compounds in the steel.