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originally posted by: hellobruce
originally posted by: LaBTop
if he really ever saw these non-existing PROTEC seismograms
hellobruce : Here are what some real demolition experts said who actually examined the wreckage, had portable field seismographs set up in the surrounding area -snip- So real experts who were there, as opposed to an expert who watched youtube video's say there is zero evidence explosives were used, including the evidence of their own portable field seismographs
Where did I say I saw them? I prefer to listen to real experts, not people posting and believing silly youtube video's posted from their basement! All because some random pushing silly conspiracy theories rang them up, and was told to go away does not a conspiracy make!
We know what caused the buildings to fall, it was not silent explosives, or nanoo thermite, or beam weapons from space, or invisible ninja's putting egg timers on the walls!
originally posted by: DerekJR321
originally posted by: hellobruce
originally posted by: DerekJR321
People seem to forget a simple thing called Newtons 3rd Law. The structure above the impact zone simply did not have enough energy to destroy 70+ floors of the towers. This is simple physics.
So simple truthers have trouble understanding physics! The structure above the impact zone had more than enough energy to destroy one floor, then had more energy to destroy another floor, then had enough energy to destroy another floor etc.
youngausskeptics.com...
Explain to me how human remains ended up on top of the Deutsche Bank roof?
They could have been ejected when the plane hit the building, we know undercarriage, a engine, documents etc were ejected then...
911research.wtc7.net...
Sigh.. okay..
Energy usage can not generate NEW energy. The force used to crush the floor below uses up the momentum and energy. It doesn't create NEW energy to continue down 70+ floors.
Here is an explanation of the conservation of energy. I'm sure you already know this so I am including it just for reference for others viewing.
The conservation of energy is a fundamental concept of physics along with the conservation of mass and the conservation of momentum. Within some problem domain, the amount of energy remains constant and energy is neither created nor destroyed.
Let's just look at WTC1. The impact was between the 92nd and 98th floors. The total height was 110 stories. So if we start at the highest point of impact (the 98th).. that leaves us 12 intact stories. If we were to completely remove floors 98 to 92, and drop the remaining 12 stories down onto the structure.. at BEST we can expect that only up to the 80th floor would be destroyed, along with the impacting 12 stories. Mass was also ejected away, thus taking away any added force. There was minimal resistance per floor. Thus implying that every truss, every brace, every support column, every rivet failed at the same exact time, floor by floor, in order to allow for a 10-12 second collapse. Also, the first tower to collapse began with a tip. Meaning the force downward was not center mass. One would have expected the top of the tower, radio antenna and all, to continue its tip and fall over. Yet instead it tipped, then collapsed straight down. This goes against physics. The simple physics that you pointed out.
Here is a simple example. Two cars are traveling at 60mph in opposite directions. They collide head on. They will both crumple and then stop their momentum. One car will not continue to travel through the other.
This isn't the same for WTC7, which.. according to NIST had a single column fail due to fire, which then trigger a complete collapse vertically down. It didn't tip.. it didn't fall partially. The entire structure compressed itself.
In regards to the body parts found on top of surrounding buildings.. some were DNA identified as firefighters. So that takes care of you "bodies from the planes" theory.
Wouldn't we see a difference in their size and mainly iron(-oxide), if that really would have been the case? How did the molybdenum or the aluminosilicates come into our equasion?
The analytical results are as follows:
...
• Particles of materials that had been modified by exposure to high temperature, such as spherical particles of iron and silicates, are common in WTC Dust because of the fire that accompanied the WTC Event, but are not common in “normal” interior office dust.
Combustion-related products are significant WTC Dust Markers, particularly if seen in combination. However, it is worth noting that fly ash and partially combusted products can occur in trace concentrations in ordinary building dusts, but not in the concentrations observed in WTC Dust.
The amount of energy introduced during the generation of the WTC Dust and the ensuing conflagration caused various components to vaporize. Vapor phase components with high boiling point and high melting point would have, as they cooled, tended to form precipitated particles or thin film deposits on available surfaces through condensation mechanisms. The results of this process would be the presence of a thin layer of deposited material on the surfaces of the dust particulate matter. Many of the materials, such as lead, cadmium, mercury and various organic compounds, vaporized and then condensed during the WTC Event.
originally posted by: samkent
a reply to: Rocker2013
You can stand down with your 'no god' signs.
911 has become a religion with the truther's.
Scientific facts mean nothing unless it's skewed in favor of the conspiracy believers.
You might do better arguing evolution to a southern Baptist church.
Assuming they don't tar and feather you.
originally posted by: skyeagle409
a reply to: Salander
Stored iron?
No, but shows that such metal can generate temperatures high enough to start fires.
Are you seriously claiming that stored iron had anything to do with the molten iron at WTC?
First of all, there was no molten steel nor iron at ground zero. Recorded temperatures were much too low to melt steel and thermite reaction is short-lived and does not last hours, days, much less weeks. However, recorded temperatures were far above the melting point of aluminum, which was in abundance from the aircraft and the facade of the WTC Towers.
Secondly, heat is generated by a processl known as exothermic reaction. Exothermic reaction occurs when a piece of steel rusts and rust is iron oxide, which generates heat and there was a lot of steel buried within the ground zero rubble.
The analytical results are as follows:
...
• Particles of materials that had been modified by exposure to high temperature, such as spherical particles of iron and silicates, are common in WTC Dust because of the fire that accompanied the WTC Event, but are not common in “normal” interior office dust.
There you go. And yes, if molybdenum was added to harden the steel and found as a thin layer on the dust, you can stop saying there was no molten steel. Aluminium molybdenum-rich particle, remember?
originally posted by: PublicOpinion
Come on dude, give me something to work with and stop the gibberish.
ETA Barium Beryllium Cadmium Chromium Copper Lead Manganese Nickel and molybdenum are all used as paint pigments.
originally posted by: samkent
a reply to: TWILITE22
The quality of your work you have put into your threads here on ats is by far the best I've seen ,the evidence you have amassed should be pick up by mainstream media
Too bad his conclusions are incorrect.
Like I have said before.
Labtop is NOT a seismologist.
He should take his evidence and conclusions to a real seismologist not a bunch of web warriors.
Labtop didn't you beat this seismic thing to death already in another thread that went on for 894 pages?
Where did it get you last time?
No where!
Labtop Since you are NOT a seismologist shouldn't you run this past a professional seismologist instead of a bunch of basement keyboard warriors?
Or did the government buy off all the seismologist's too?
really this is how to deny his evidence?
You can stand down with your 'no god' signs.
911 has become a religion with the truther's.
Scientific facts mean nothing unless it's skewed in favor of the conspiracy believers.
You might do better arguing evolution to a southern Baptist church.
Assuming they don't tar and feather you.
originally posted by: everyone
So you say you rather listen to "experts" who run around yelling that they have the evidence at hand but yet never have been able to produce.
ETA Barium Beryllium Cadmium Chromium Copper Lead Manganese Nickel and molybdenum are all used as paint pigments.
Originally posted by: waypastvne
Yes both of these explosions are the same explosion. The time of the explosion is 11:01:07 it's right there in the seismograph read-out, and the shadows confirm it.
The explosion is captured in 2 other videos and just missed in another with the camera man saying another explosion just happened. All of the videos have time confirming shadows.
Sorry to disappoint you.....but it turns out to be a gas leak explosion. It's confirmed in one of the videos.
(The shadow software in that photo was not mine, it was done by an Italian debunker. But you don't really need the software, all you need is Google Earth and this: )
www.esrl.noaa.gov...
Position of the sun at 11:01:07 = 137.96 45.89
I've been working on this subject for the last 2 weeks and will start a thread on it soon. I will present my evidence there.
Civil & Structural Engineers on WTC Collapse
"The aircraft moved through the building as if it were a hot and fast lava flow," Sozen says. "Consequently, much of the fireproofing insulation was ripped off the structure. Even if all of the columns and girders had survived the impact - an unlikely event - the structure would fail as the result of a buckling of the columns. The heat from an ordinary office fire would suffice to soften and weaken the unprotected steel. Evaluation of the effects of the fire on the core column structure, with the insulation removed by the impact, showed that collapse would follow whatever the number of columns cut at the time of the impact."
There are 120,000 members of ASME(American Society of Mechanical Engineers) who do not question the NIST report. There are also 370,000 members of IEEE(Institute of Electrical and Electronics Engineers) who do not question the NIST report. There are also 40,000 members of AIChE(American Institute of Chemical Engineers) who do not question the NIST Report. There are also 35,000 members of AIAA (American Institute of Aeronautics and Astronautics) who do not question the NIST report.
The Structural Engineering Community Rejects the Controlled-Demolition Conspiracy Theory
The structural engineering community rejects the controlled-demolition conspiracy theory. Its consensus is that the collapse of the World Trade Center buildings was a fire-induced, gravity-driven collapse, an explanation that does not involve the use of explosives.
The American Society of Civil Engineers Structural Engineering Institute issued a statement calling for further discussion of NIST's recommendations, and Britain's Institution of Structural Engineers published a statement in May 2002 welcoming the FEMA report,
Northwestern University Professor of Civil Engineering Zdeněk Bažant, who was the first to offer a published peer-reviewed theory of the collapses, wrote "a few outsiders claiming a conspiracy with planted explosives" as an exception. Bažant and Verdure trace such "strange ideas" to a "mistaken impression" that safety margins in design would make the collapses impossible. One of the effects of a more detailed modeling of the progressive collapse, they say, could be to "dispel the myth of planted explosives".
Thomas Eagar, a professor of materials science and engineering at the Massachusetts Institute of Technology, also dismissed the controlled-demolition conspiracy theory. Eagar remarked, "These people (in the 9/11 truth movement) use the 'reverse scientific method.' They determine what happened, throw out all the data that doesn't fit their conclusion, and then hail their findings as the only possible conclusion."
How the WTC Towers Collapsed Video