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Ursprungligen postat av ThisIsSparta
Det krävdes ingen sprängning alls, eftersom struktorskadorna och konstruktionsförsvagningarna fick tornen att rasa.
Vid bombningen 1993 blev resultatet enbart strukturskador, och då långt nere under markplan, i ett kraftigt underjordiskt garage.
Läs detta jag lägger in nu och ta dig en funderare, detta är experter på sina områden:
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Tully called Mark Loizeaux, president of Controlled Demolition, Inc. (CDI) of Phoenix, Maryland, for consultation about removing the debris. CDI calls itself "the innovator and global leader in the controlled demolition and implosion of structures."
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AFP asked Loizeaux about the report of molten steel on the site. "Yes," he said, "hot spots of molten steel in the basements." These incredibly hot areas were found "at the bottoms of the elevator shafts of the main towers, down seven [basement] levels," Loizeaux said. The molten steel was found "three, four, and five weeks later, when the rubble was being removed," Loizeaux said. He said molten steel was also found at 7 WTC, which collapsed mysteriously in the late afternoon. Construction steel has an extremely high melting point of about 2,800° Fahrenheit (1535° Celsius). Asked what could have caused such extreme heat, Tully said, "Think of the jet fuel."
Här ovanför har ni även mitt bevis på att stålet inte smälte genom värmen som uppkom.
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Experts disagree that jet-fuel or paper could generate such heat. This is impossible, they say, because the maximum temperature that can be reached by hydrocarbons like jet-fuel, burning in air is 1520° F (825° C). Because the WTC fires were fuel rich (as evidenced by the thick black smoke) it is argued that they did not reach this upper limit of 825° C.
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The hottest spots at the surface of the rubble, where abundant oxygen was available, were much cooler than the molten steel found in the basements. Five days after the collapse, on September 16, the National Aeronautics and Space Administration (NASA) used an Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) to locate and measure the site's hot spots. Dozens of hot spots were mapped, the hottest being in the east corner of the South Tower where a temperature of 1377° F (747° C) was recorded. This is, however, less than half as hot at the molten steel in the basement
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Loizeaux said, "If I were to bring the towers down, I would put explosives in the basement to get the weight of the building to help collapse the structure."
Även sprängningsexperten hade placerat sprängämnen i källaren för att få tornen ur balans vilket dessa redan var efter flygplanen.
Här är även bevis för en seismiskutmätning, även av en expert inom sitt område.
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Seismographs at Columbia University's Lamont-Doherty Earth Observatory in Palisades, New York, 21 miles north of the WTC, recorded strange seismic activity on September 11 that has still not been explained.
While the aircraft crashes caused minimal earth shaking, significant earthquakes with unusual spikes occurred at the beginning of each collapse. The Palisades seismic data recorded a 2.1 magnitude earthquake during the 10-second collapse of the South Tower at 9:59:04 and a 2.3 quake during the 8-second collapse of the North Tower at 10:28:31.
The Palisades seismic record shows that — as the collapses began — a huge seismic "spike" marked the moment the greatest energy went into the ground. The strongest jolts were all registered at the beginning of the collapses, well before the falling debris struck the earth. These unexplained "spikes" in the seismic data lend credence to the theory that massive explosions at the base of the towers caused the collapses.
A "sharp spike of short duration" is how seismologist Thorne Lay of Univ. of California at Santa Cruz told AFP an underground nuclear explosion appears on a seismograph.
Allt detta är gjort av folk som är experter inom sina områden och ska tas på allvar. När ni har läst igenom detta så kan ni börja motbevisa dessa uppgifter om ni kan det.