According to the National Institute of Standards and Technology (NIST), videos of the collapse of the 47-story World Trade Center 7 on September 11, 2001 show the building succumbing to a fire-induced progressive collapse. Many independent researchers and scientists, however, including over 1,400 professional architects and engineers who have signed a petition calling for a new investigation, disagree, pointing to evidence that it was deliberately brought down in a controlled demolition.
July 09, 2009
Could the most audacious terrorist attack in history be a sophisticated masterpiece of demolition?
A recent article published in the respected peer-reviewed Open Chemical Physics Journal by nine noted scientists offers incontrovertible proof that the dust from the Twin Towers and Building Seven of the World Trade Center contains small intact samples of Thermite.
Thermite is a highly explosive agent consisting mostly of aluminum and iron oxide, and is used to cut steel in building controlled demolitions, and is also used in welding and in military applications.
Using optical microscopy, scanning electron microscopy, X-ray energy dispersive spectroscopy, and differential scanning calorimetry, the scientists were able to determine that the Thermite present is of a specialized type called Nano-thermite or Superthermite. It burns hotter and has a lower ignition temperature than normal Thermite, and is produced at laboratories such as Lawrence Livermore, incidentally thought to be the same lab that produced the anthrax sent out shortly after 9/11.