CptStern
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A team of scientists claim to have unearthed startling data from dust and debris gathered in the days and weeks after the World Trade Center towers collapsed on Sept. 11, 2001.
In a study published by the Open Chemical Physics Journal -- a peer-reviewed, scientific publication -- Steven E. Jones and Niels Harrit level a stark allegation: that within the dust and rubble of the World Trade Center towers lays evidence of "a highly engineered explosive," contrary to all federal studies of the collapses.
"We have discovered distinctive red/gray chips in all the samples we have studied of the dust produced by the destruction of the World Trade Center," reads the paper's abstract. "One sample was collected by a Manhattan resident about ten minutes after the collapse of the second WTC Tower, two the next day, and a fourth about a week later. The properties of these chips were analyzed using optical microscopy, scanning electron microscopy (SEM), X-ray energy dispersive spectroscopy (XEDS), and differential scanning calorimetry (DSC)."
They claim their analysis has uncovered "active thermitic material": a combination of elemental aluminum and iron oxide in a form of thermite known as "nanostructured super-thermite."
Thermite, used in steel welding, fireworks shows, hand grenades and demolition, can produce a chemical reaction known for extremely high temperatures focused in a very small area for a short period of time.
According to the Navy's Small Business Innovation Research, super-thermite "is restricted under the International Traffic in Arms Regulation (ITAR), which controls the export and import of defense-related material and services."
however:
The National Institute of Standards and Technology, which investigated the WTC tower collapses, maintains there was no recovered evidence of explosive materials
"We get a lot of calls from people who have heard these theories," NIST spokesman Michael Newman told Newsday. "But we conducted what was probably the most complex investigation of a building collapse in history."
"We based our conclusion on the talents of the world's best engineers and scientists, state of the art computer models and 236 pieces of steel recovered from the site," reads the NIST FAQ.
"The collapse of the WTC towers was not caused either by a conventional building fire or even solely by the concurrent multi-floor fires that day," NIST says. "Instead, NIST concluded that the WTC towers collapsed because: (1) the impact of the planes severed and damaged support columns, dislodged fireproofing insulation coating the steel floor trusses and steel columns, and widely dispersed jet fuel over multiple floors; and (2) the subsequent unusually large, jet-fuel ignited multi-floor fires weakened the now susceptible structural steel."
http://rawstory.com/news/2008/Scientists_find_active_superthermite_in_WTC_0404.html