"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.
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